67-557: Frafjorden is a fjord in the municipalities of Gjesdal and Sandnes in Rogaland county, Norway . The 6-kilometre (3.7 mi) fjord is the innermost branch of the Høgsfjorden . The Frafjorden has steep sides with no habitation along its shores, except for the village of Frafjord at the innermost part of the fjord. The village and the surrounding Frafjorddalen farming valley stretches about 5 kilometres (3.1 mi) east of
134-427: A detachment layer is present. Thrust tectonics is associated with the shortening and thickening of the crust, or the lithosphere. This type of tectonics is found at zones of continental collision , at restraining bends in strike-slip faults, and at the oceanward part of passive margin sequences where a detachment layer is present. Strike-slip tectonics is associated with the relative lateral movement of parts of
201-602: A Germanic noun for a travel : North Germanic ferd or färd and of the verb to travel , Dutch varen , German fahren ; English to fare . As a loanword from Norwegian, it is one of the few words in the English language to start with the sequence fj . The word was for a long time normally spelled f i ord , a spelling preserved in place names such as Grise Fiord . The fiord spelling mostly remains only in New Zealand English , as in
268-628: A common Germanic origin of the word. The landscape consists mainly of moraine heaps. The Föhrden and some "fjords" on the east side of Jutland, Denmark are also of glacial origin. But while the glaciers digging "real" fjords moved from the mountains to the sea, in Denmark and Germany they were tongues of a huge glacier covering the basin of which is now the Baltic Sea. See Förden and East Jutland Fjorde . Whereas fjord names mostly describe bays (though not always geological fjords), straits in
335-451: A fjord as a kind of sea ( Māori : tai ) that runs by a bluff ( matapari , altogether tai matapari "bluff sea"). The term "fjord" is sometimes applied to steep-sided inlets which were not created by glaciers. Most such inlets are drowned river canyons or rias . Examples include: Some Norwegian freshwater lakes that have formed in long glacially carved valleys with sill thresholds, ice front deltas or terminal moraines blocking
402-456: A glacial river flows in. Velfjorden has little inflow of freshwater. In 2000, some coral reefs were discovered along the bottoms of the Norwegian fjords. These reefs were found in fjords from the north of Norway to the south. The marine life on the reefs is believed to be one of the most important reasons why the Norwegian coastline is such a generous fishing ground. Since this discovery
469-421: A highly productive group of phytoplankton that enable such fjords to be valuable feeding grounds for other species. It is possible that as climate change reduces long-term meltwater output, nutrient dynamics within such fjords will shift to favor less productive species, destabilizing the food web ecology of fjord systems. In addition to nutrient flux, sediment carried by flowing glaciers can become suspended in
536-529: A long, narrow inlet. In eastern Norway, the term is also applied to long narrow freshwater lakes ( Randsfjorden and Tyrifjorden ) and sometimes even to rivers (for instance in Flå Municipality in Hallingdal , the Hallingdal river is referred to as fjorden ). In southeast Sweden, the name fjard fjärd is a subdivision of the term 'fjord' used for bays, bights and narrow inlets on
603-544: A narrower sound is called sund . In the Finnish language , a word vuono is used although there is only one fjord in Finland. In old Norse genitive was fjarðar whereas dative was firði . The dative form has become common place names like Førde (for instance Førde ), Fyrde or Førre (for instance Førre ). The German use of the word Föhrde for long narrow bays on their Baltic Sea coastline, indicates
670-500: A protected passage almost the entire 1,601 km (995 mi) route from Stavanger to North Cape , Norway. The Blindleia is a skerry-protected waterway that starts near Kristiansand in southern Norway and continues past Lillesand . The Swedish coast along Bohuslän is likewise skerry guarded. The Inside Passage provides a similar route from Seattle , Washington , and Vancouver , British Columbia , to Skagway , Alaska . Yet another such skerry-protected passage extends from
737-675: A suffix in names of some Scandinavian fjords and has in same cases also been transferred to adjacent settlements or surrounding areas for instance Hardanger , Stavanger , and Geiranger . The differences in usage between the English and the Scandinavian languages have contributed to confusion in the use of the term fjord. Bodies of water that are clearly fjords in Scandinavian languages are not considered fjords in English; similarly bodies of water that would clearly not be fjords in
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#1732787678554804-653: Is 160 m (520 ft) deep with a threshold of only 1.5 m (4 ft 11 in), while the 1,300 m (4,300 ft) deep Sognefjorden has a threshold around 100 to 200 m (330 to 660 ft) deep. Hardangerfjord is made up of several basins separated by thresholds: The deepest basin Samlafjorden between Jonaneset ( Jondal ) and Ålvik with a distinct threshold at Vikingneset in Kvam Municipality . Hanging valleys are common along glaciated fjords and U-shaped valleys . A hanging valley
871-582: Is 2,000 m (6,562 ft) below the surrounding regional topography. Fjord lakes are common on the inland lea of the Coast Mountains and Cascade Range ; notable ones include Lake Chelan , Seton Lake , Chilko Lake , and Atlin Lake . Kootenay Lake , Slocan Lake and others in the basin of the Columbia River are also fjord-like in nature, and created by glaciation in the same way. Along
938-483: Is a tributary valley that is higher than the main valley and was created by tributary glacier flows into a glacier of larger volume. The shallower valley appears to be 'hanging' above the main valley or a fjord. Often, waterfalls form at or near the outlet of the upper valley. Small waterfalls within these fjords are also used as freshwater resources. Hanging valleys also occur underwater in fjord systems. The branches of Sognefjord are for instance much shallower than
1005-454: Is a long, narrow sea inlet with steep sides or cliffs, created by a glacier . Fjords exist on the coasts of Antarctica , the Arctic , and surrounding landmasses of the northern and southern hemispheres. Norway's coastline is estimated to be 29,000 km (18,000 mi) long with its nearly 1,200 fjords, but only 2,500 km (1,600 mi) long excluding the fjords . A true fjord
1072-414: Is accompanied by the rebounding of Earth's crust as the ice load and eroded sediment is removed (also called isostasy or glacial rebound). In some cases, this rebound is faster than sea level rise . Most fjords are deeper than the adjacent sea ; Sognefjord , Norway , reaches as much as 1,300 m (4,265 ft) below sea level . Fjords generally have a sill or shoal (bedrock) at their mouth caused by
1139-412: Is also often described as a fjord, but is actually a freshwater lake cut off from the sea, so is not a fjord in the English sense of the term. Locally they refer to it as a "landlocked fjord". Such lakes are sometimes called "fjord lakes". Okanagan Lake was the first North American lake to be so described, in 1962. The bedrock there has been eroded up to 650 m (2,133 ft) below sea level, which
1206-413: Is associated with the stretching and thinning of the crust or the lithosphere . This type of tectonics is found at divergent plate boundaries, in continental rifts , during and after a period of continental collision caused by the lateral spreading of the thickened crust formed, at releasing bends in strike-slip faults , in back-arc basins , and on the continental end of passive margin sequences where
1273-430: Is at least 500 m (1,600 ft) deep and water takes an average of 16 years to flow through the lake. Such lakes created by glacial action are also called fjord lakes or moraine-dammed lakes . Some of these lakes were salt after the ice age but later cut off from the ocean during the post-glacial rebound . At the end of the ice age Eastern Norway was about 200 m (660 ft) lower (the marine limit). When
1340-456: Is borrowed from Norwegian , where it is pronounced [ˈfjuːr] , [ˈfjøːr] , [ˈfjuːɽ] or [ˈfjøːɽ] in various dialects and has a more general meaning, referring in many cases to any long, narrow body of water, inlet or channel (for example, see Oslofjord ). The Norwegian word is inherited from Old Norse fjǫrðr , a noun which refers to a 'lake-like' body of water used for passage and ferrying and
1407-620: Is closely related to the noun ferð "travelling, ferrying, journey". Both words go back to Indo-European *pértus "crossing", from the root *per- "cross". The words fare and ferry are of the same origin. The Scandinavian fjord , Proto-Scandinavian * ferþuz , is the origin for similar Germanic words: Icelandic fjörður , Faroese fjørður , Swedish fjärd (for Baltic waterbodies), Scots firth (for marine waterbodies, mainly in Scotland and northern England). The Norse noun fjǫrðr
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#17327876785541474-463: Is cut almost in two by the Svelvik "ridge", a sandy moraine that was below sea level when it was covered by ice, but after the post-glacial rebound reaches 60 m (200 ft) above the fjord. In the 19th century, Jens Esmark introduced the theory that fjords are or have been created by glaciers and that large parts of Northern Europe had been covered by thick ice in prehistory. Thresholds at
1541-653: Is fairly new, little research has been done. The reefs are host to thousands of lifeforms such as plankton , coral , anemones , fish, several species of shark, and many more. Most are specially adapted to life under the greater pressure of the water column above it, and the total darkness of the deep sea. New Zealand's fjords are also host to deep-water corals , but a surface layer of dark fresh water allows these corals to grow in much shallower water than usual. An underwater observatory in Milford Sound allows tourists to view them without diving. In some places near
1608-421: Is formed in the process of sea-floor spreading ; transform , where plates slide past each other, and convergent , where plates converge and lithosphere is "consumed" by the process of subduction . Convergent and transform boundaries are responsible for most of the world's major ( M w > 7) earthquakes . Convergent and divergent boundaries are also the site of most of the world's volcanoes , such as around
1675-458: Is formed when a glacier cuts a U-shaped valley by ice segregation and abrasion of the surrounding bedrock. According to the standard model, glaciers formed in pre-glacial valleys with a gently sloping valley floor. The work of the glacier then left an overdeepened U-shaped valley that ends abruptly at a valley or trough end. Such valleys are fjords when flooded by the ocean. Thresholds above sea level create freshwater lakes. Glacial melting
1742-505: Is located on the southern shore of Lake Superior in Michigan . The principal mountainous regions where fjords have formed are in the higher middle latitudes and the high latitudes reaching to 80°N (Svalbard, Greenland), where, during the glacial period, many valley glaciers descended to the then-lower sea level. The fjords develop best in mountain ranges against which the prevailing westerly marine winds are orographically lifted over
1809-470: Is the freshwater fjord Movatnet (Mo lake) that until 1743 was separated from Romarheimsfjorden by an isthmus and connected by a short river. During a flood in November 1743, the river bed eroded and sea water could flow into the lake at high tide. Eventually, Movatnet became a saltwater fjord and renamed Mofjorden ( Mofjorden ). Like fjords, freshwater lakes are often deep. For instance Hornindalsvatnet
1876-409: Is the isthmus with a village between Hornindalsvatnet lake and Nordfjord . Such lakes are also denoted fjord valley lakes by geologists. One of Norway's largest is Tyrifjorden at 63 m (207 ft) above sea level and an average depth at 97 m (318 ft) most of the lake is under sea level. Norway's largest lake, Mjøsa , is also referred to as "the fjord" by locals. Another example
1943-452: Is the study of the motions and deformations of the Earth's crust ( geological and geomorphological processes) that are current or recent in geological time . The term may also refer to the motions and deformations themselves. The corresponding time frame is referred to as the neotectonic period . Accordingly, the preceding time is referred to as palaeotectonic period . Tectonophysics is
2010-410: Is usually a large inflow of river water in the inner areas. This freshwater gets mixed with saltwater creating a layer of brackish water with a slightly higher surface than the ocean which in turn sets up a current from the river mouths towards the ocean. This current is gradually more salty towards the coast and right under the surface current there is a reverse current of saltier water from the coast. In
2077-636: The British Columbia Coast , a notable fjord-lake is Owikeno Lake , which is a freshwater extension of Rivers Inlet . Quesnel Lake , located in central British Columbia, is claimed to be the deepest fjord formed lake on Earth. A family of freshwater fjords are the embayments of the North American Great Lakes. Baie Fine is located on the northwestern coast of Georgian Bay of Lake Huron in Ontario , and Huron Bay
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2144-459: The Scandinavian sense of the term, are not universally considered to be fjords by the scientific community, because although glacially formed, most Finnmark fjords lack the steep-sided valleys of the more southerly Norwegian fjords. The glacial pack was deep enough to cover even the high grounds when they were formed. The Oslofjord , on the other hand, is a rift valley , and not glacially formed. The indigenous Māori people of New Zealand see
2211-613: The Straits of Magellan north for 800 km (500 mi). Fjords provide unique environmental conditions for phytoplankton communities. In polar fjords, glacier and ice sheet outflow add cold, fresh meltwater along with transported sediment into the body of water. Nutrients provided by this outflow can significantly enhance phytoplankton growth. For example, in some fjords of the West Antarctic Peninsula (WAP), nutrient enrichment from meltwater drives diatom blooms,
2278-543: The Viking settlers—though the inlet at that place in modern terms is an estuary , not a fjord. Similarly the name of Milford (now Milford Haven) in Wales is derived from Melrfjǫrðr ("sandbank fjord/inlet"), though the inlet on which it is located is actually a ria. Before or in the early phase of Old Norse angr was another common noun for fjords and other inlets of the ocean. This word has survived only as
2345-586: The foreland to a collisional belt. In plate tectonics, the outermost part of the Earth known as the lithosphere (the crust and uppermost mantle ) act as a single mechanical layer. The lithosphere is divided into separate "plates" that move relative to each other on the underlying, relatively weak asthenosphere in a process ultimately driven by the continuous loss of heat from the Earth's interior. There are three main types of plate boundaries: divergent , where plates move apart from each other and new lithosphere
2412-856: The Limfjord once was a fjord until the sea broke through from the west. Ringkøbing Fjord on the western coast of Jutland is a lagoon . The long narrow fjords of Denmark's Baltic Sea coast like the German Förden were dug by ice moving from the sea upon land, while fjords in the geological sense were dug by ice moving from the mountains down to the sea. However, some definitions of a fjord is: "A long narrow inlet consisting of only one inlet created by glacial activity". Examples of Danish fjords are: Kolding Fjord , Vejle Fjord and Mariager Fjord . The fjords in Finnmark in Norway, which are fjords in
2479-466: The Pacific Ring of Fire . Most of the deformation in the lithosphere is related to the interaction between plates at or near plate boundaries. The latest studies, based on the integration of available geological data, and satellite imagery and Gravimetric and magnetic anomaly datasets have shown that the crust of the Earth is dissected by thousands of different types of tectonic elements which define
2546-546: The Scandinavian sense have been named or suggested to be fjords. Examples of this confused usage follow. In the Danish language some inlets are called a fjord, but are, according to the English language definition, technically not a fjord, such as Roskilde Fjord . Limfjord in English terminology is a sound , since it separates the North Jutlandic Island (Vendsyssel-Thy) from the rest of Jutland . However,
2613-476: The Swedish Baltic Sea coast, and in most Swedish lakes. This latter term is also used for bodies of water off the coast of Finland where Finland Swedish is spoken. In Danish, the word may even apply to shallow lagoons . In modern Icelandic, fjörður is still used with the broader meaning of firth or inlet. In Faroese fjørður is used both about inlets and about broader sounds, whereas
2680-520: The bedrock. This may in particular have been the case in Western Norway where the tertiary uplift of the landmass amplified eroding forces of rivers. Confluence of tributary fjords led to excavation of the deepest fjord basins. Near the very coast, the typical West Norwegian glacier spread out (presumably through sounds and low valleys) and lost their concentration and reduced the glaciers' power to erode leaving bedrock thresholds. Bolstadfjorden
2747-524: The case of Hardangerfjord the fractures of the Caledonian fold has guided the erosion by glaciers, while there is no clear relation between the direction of Sognefjord and the fold pattern. This relationship between fractures and direction of fjords is also observed in Lyngen . Preglacial, tertiary rivers presumably eroded the surface and created valleys that later guided the glacial flow and erosion of
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2814-419: The crust or the lithosphere. This type of tectonics is found along oceanic and continental transform faults which connect offset segments of mid-ocean ridges . Strike-slip tectonics also occurs at lateral offsets in extensional and thrust fault systems. In areas involved with plate collisions strike-slip deformation occurs in the over-riding plate in zones of oblique collision and accommodates deformation in
2881-434: The deeper parts of the fjord the cold water remaining from winter is still and separated from the atmosphere by the brackish top layer. This deep water is ventilated by mixing with the upper layer causing it to warm and freshen over the summer. In fjords with a shallow threshold or low levels of mixing this deep water is not replaced every year and low oxygen concentration makes the deep water unsuitable for fish and animals. In
2948-551: The fjord and the whole area has about 100 residents. There are also many holiday cottages on top of the high mountain located south of the village of Frafjord . The village of Dirdal is located at the mouth of the Frafjorden. This Rogaland location article is a stub . You can help Misplaced Pages by expanding it . Fjord In physical geography , a fjord (also spelled fiord in New Zealand English ; ( / ˈ f j ɔːr d , f iː ˈ ɔːr d / )
3015-413: The fjord. Bolstadfjorden has a threshold of only 1.5 m (4 ft 11 in) and strong inflow of freshwater from Vosso river creates a brackish surface that blocks circulation of the deep fjord. The deeper, salt layers of Bolstadfjorden are deprived of oxygen and the seabed is covered with organic material. The shallow threshold also creates a strong tidal current. During the summer season, there
3082-489: The formation of sea ice. The study of phytoplankton communities within fjords is an active area of research, supported by groups such as FjordPhyto, a citizen science initiative to study phytoplankton samples collected by local residents, tourists, and boaters of all backgrounds. An epishelf lake forms when meltwater is trapped behind a floating ice shelf and the freshwater floats on the denser saltwater below. Its surface may freeze forming an isolated ecosystem. The word fjord
3149-670: The growth and behavior of the strong, old cores of continents known as cratons , and the ways in which the relatively rigid plates that constitute the Earth's outer shell interact with each other. Principles of tectonics also provide a framework for understanding the earthquake and volcanic belts that directly affect much of the global population. Tectonic studies are important as guides for economic geologists searching for fossil fuels and ore deposits of metallic and nonmetallic resources. An understanding of tectonic principles can help geomorphologists to explain erosion patterns and other Earth-surface features. Extensional tectonics
3216-477: The ice cap receded and allowed the ocean to fill valleys and lowlands, and lakes like Mjøsa and Tyrifjorden were part of the ocean while Drammen valley was a narrow fjord. At the time of the Vikings Drammensfjord was still four or five m (13 or 16 ft) higher than today and reached the town of Hokksund , while parts of what is now the city of Drammen was under water. After the ice age
3283-446: The level of the original sea level. In Eidfjord, Eio has dug through the original delta and left a 110 m (360 ft) terrace while lake is only 19 m (62 ft) above sea level. Such deposits are valuable sources of high-quality building materials (sand and gravel) for houses and infrastructure. Eidfjord village sits on the eid or isthmus between Eidfjordvatnet lake and Eidfjorden branch of Hardangerfjord. Nordfjordeid
3350-471: The main fjord. The mouth of Fjærlandsfjord is about 400 m (1,300 ft) deep while the main fjord is 1,200 m (3,900 ft) nearby. The mouth of Ikjefjord is only 50 m (160 ft) deep while the main fjord is around 1,300 m (4,300 ft) at the same point. During the winter season, there is usually little inflow of freshwater. Surface water and deeper water (down to 100 m or 330 ft or more) are mixed during winter because of
3417-497: The marine limit. Like freshwater fjords, the continuation of fjords on land are in the same way denoted as fjord-valleys . For instance Flåmsdal ( Flåm valley) and Måbødalen . Outside of Norway, the three western arms of New Zealand 's Lake Te Anau are named North Fiord, Middle Fiord and South Fiord. Another freshwater "fjord" in a larger lake is Western Brook Pond , in Newfoundland's Gros Morne National Park ; it
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#17327876785543484-405: The most extreme cases, there is a constant barrier of freshwater on the surface and the fjord freezes over such that there is no oxygen below the surface. Drammensfjorden is one example. The mixing in fjords predominantly results from the propagation of an internal tide from the entrance sill or internal seiching. The Gaupnefjorden branch of Sognefjorden is strongly affected by freshwater as
3551-569: The mountainous regions, resulting in abundant snowfall to feed the glaciers. Hence coasts having the most pronounced fjords include the west coast of Norway, the west coast of North America from Puget Sound to Alaska, the southwest coast of New Zealand, and the west and to south-western coasts of South America , chiefly in Chile . Other regions have fjords, but many of these are less pronounced due to more limited exposure to westerly winds and less pronounced relief. Areas include: The longest fjords in
3618-462: The mouths and overdeepening of fjords compared to the ocean are the strongest evidence of glacial origin, and these thresholds are mostly rocky. Thresholds are related to sounds and low land where the ice could spread out and therefore have less erosive force. John Walter Gregory argued that fjords are of tectonic origin and that glaciers had a negligible role in their formation. Gregory's views were rejected by subsequent research and publications. In
3685-448: The ocean was about 150 m (490 ft) at Notodden . The ocean stretched like a fjord through Heddalsvatnet all the way to Hjartdal . Post-glacial rebound eventually separated Heddalsvatnet from the ocean and turned it into a freshwater lake. In neolithic times Heddalsvatnet was still a saltwater fjord connected to the ocean, and was cut off from the ocean around 1500 BC. Some freshwater fjords such as Slidrefjord are above
3752-423: The outlet follow the Norwegian naming convention; they are frequently named fjords. Ice front deltas developed when the ice front was relatively stable for long time during the melting of the ice shield. The resulting landform is an isthmus between the lake and the saltwater fjord, in Norwegian called "eid" as in placename Eidfjord or Nordfjordeid . The post-glacial rebound changed these deltas into terraces up to
3819-439: The outlet of fjords where submerged glacially formed valleys perpendicular to the coast join with other cross valleys in a complex array. The island fringe of Norway is such a group of skerries (called a skjærgård ); many of the cross fjords are so arranged that they parallel the coast and provide a protected channel behind an almost unbroken succession of mountainous islands and skerries. By this channel, one can travel through
3886-465: The place name Fiordland . The use of the word fjord in Norwegian, Danish and Swedish is more general than in English and in international scientific terminology. In Scandinavia, fjord is used for a narrow inlet of the sea in Norway, Denmark and western Sweden, but this is not its only application. In Norway and Iceland, the usage is closest to the Old Norse, with fjord used for both a firth and for
3953-452: The previous glacier's reduced erosion rate and terminal moraine . In many cases this sill causes extreme currents and large saltwater rapids (see skookumchuck ). Saltstraumen in Norway is often described as the world's strongest tidal current . These characteristics distinguish fjords from rias (such as the Bay of Kotor ), which are drowned valleys flooded by the rising sea. Drammensfjorden
4020-641: The same regions typically are named Sund , in Scandinavian languages as well as in German. The word is related to "to sunder" in the meaning of "to separate". So the use of Sound to name fjords in North America and New Zealand differs from the European meaning of that word. The name of Wexford in Ireland is originally derived from Veisafjǫrðr ("inlet of the mud flats") in Old Norse, as used by
4087-487: The seaward margins of areas with fjords, the ice-scoured channels are so numerous and varied in direction that the rocky coast is divided into thousands of island blocks, some large and mountainous while others are merely rocky points or rock reefs , menacing navigation. These are called skerries . The term skerry is derived from the Old Norse sker , which means a rock in the sea. Skerries most commonly formed at
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#17327876785544154-419: The steady cooling of the surface and wind. In the deep fjords, there is still fresh water from the summer with less density than the saltier water along the coast. Offshore wind, common in the fjord areas during winter, sets up a current on the surface from the inner to the outer parts. This current on the surface in turn pulls dense salt water from the coast across the fjord threshold and into the deepest parts of
4221-576: The study of the physical processes associated with deformation of the crust and mantle from the scale of individual mineral grains up to that of tectonic plates. Seismotectonics is the study of the relationship between earthquakes, active tectonics, and individual faults in a region. It seeks to understand which faults are responsible for seismic activity in an area by analysing a combination of regional tectonics, recent instrumentally recorded events, accounts of historical earthquakes, and geomorphological evidence. This information can then be used to quantify
4288-403: The subdivision into numerous smaller microplates which have amalgamated into the larger Plates. Salt tectonics is concerned with the structural geometries and deformation processes associated with the presence of significant thicknesses of rock salt within a sequence of rocks. This is due both to the low density of salt, which does not increase with burial, and its low strength. Neotectonics
4355-455: The water column, increasing turbidity and reducing light penetration into greater depths of the fjord. This effect can limit the available light for photosynthesis in deeper areas of the water mass, reducing phytoplankton abundance beneath the surface. Overall, phytoplankton abundance and species composition within fjords is highly seasonal, varying as a result of seasonal light availability and water properties that depend on glacial melt and
4422-470: The world are: Deep fjords include: Tectonic Tectonics (from Latin tectonicus ; from Ancient Greek τεκτονικός ( tektonikós ) 'pertaining to building ') are the processes that result in the structure and properties of the Earth's crust and its evolution through time. The field of planetary tectonics extends the concept to other planets and moons. These processes include those of mountain-building ,
4489-589: Was adopted in German as Förde , used for the narrow long bays of Schleswig-Holstein , and in English as firth "fjord, river mouth". The English word ford (compare German Furt , Low German Ford or Vörde , in Dutch names voorde such as Vilvoorde, Ancient Greek πόρος , poros , and Latin portus ) is assumed to originate from Germanic * ferþu- and Indo-European root * pertu- meaning "crossing point". Fjord/firth/Förde as well as ford/Furt/Vörde/voorde refer to
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