Iota ( / aɪ ˈ oʊ t ə / ; uppercase Ι , lowercase ι ; Greek : ιώτα ) is the ninth letter of the Greek alphabet . It was derived from the Phoenician letter Yodh . Letters that arose from this letter include the Latin I and J , the Cyrillic І (І, і), Yi (Ї, ї), and Je (Ј, ј), and iotated letters (e.g. Yu (Ю, ю)). In the system of Greek numerals , iota has a value of 10.
3-537: Iota (Ι, ι) is the ninth letter of the Greek alphabet. Iota or IOTA may also refer to: Iota Iota represents the close front unrounded vowel IPA: [i] . In early forms of ancient Greek, it occurred in both long [iː] and short [i] versions, but this distinction was lost in Koine Greek . Iota participated as the second element in falling diphthongs , with both long and short vowels as
6-407: The first element. Where the first element was long, the iota was lost in pronunciation at an early date, and was written in polytonic orthography as iota subscript , in other words as a very small ι under the main vowel. Examples include ᾼ ᾳ ῌ ῃ ῼ ῳ. The former diphthongs became digraphs for simple vowels in Koine Greek . The word is used in a common English phrase, "not one iota", meaning "not
9-517: The slightest amount". This refers to iota, the smallest letter, or possibly yodh , י, the smallest letter in the Hebrew alphabet. The English word jot derives from iota. The German, Polish, Portuguese, and Spanish name for the letter J ( Jot / jota ) is derived from iota. For accented Greek characters, see Greek diacritics: Computer encoding . These characters are used only as mathematical symbols. Stylized Greek text should be encoded using
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