In Latin, Y was named I graeca ("Greek I"), since the classical Greek sound /y/, similar to modern German ü or French u, was not a native sound for Latin speakers, and the letter was initially only used to spell foreign words. Thi… See more

The oldest direct ancestor of the letter Y was the Semitic letter waw (pronounced as [w]), from which also come F, U, V, and W. See F for details. The Greek and Latin alphabets developed from the Phoenician form of this … See more

As /j/:
• at the beginning of a word, as in yes
• at the beginning of a syllable before a vowel, as in beyond, lawyer, canyon
As … See more

• In mathematics, y is commonly used as the name for a dependent variable. The modern tradition of using x, y and z to represent an unknown (incognita) was introduced by René Descartes in La Géométrie (1637).
• The SI prefix… See more

• Y with diacritics: Ý ý Ỳ ỳ Ŷ ŷ Ÿ ÿ Ỹ ỹ Ẏ ẏ Ỵ ỵ ẙ Ỷ ỷ Ȳ ȳ Ɏ ɏ Ƴ ƴ
• ʎ and ʏ are used in the International Phonetic Alphabet (IPA)
• IPA superscript letters: 𐞠 𐞲 𐞡 … See more