Y is the twenty-fifth (number 25) letter in the Englishalphabet and a ligature of two letter I's or J's or one I and one J. It is the only letter with two syllables. Y is pronounced "wie", "greek-ieh" or "greek-jay" or simply "greek". It is sometimes considered a vowel. In words like year, yell, and yes, Y is a consonant. In words like cry, fly, and sky, it is a vowel. Sometimes, it takes the form of the digraph Ij, Ii or Jj.
Y has appeared as the Semitic letter "yodh". This was the first time it appeared in an alphabet. I and J also come from the Semitic alphabet. The Greek and Latin alphabets used the Phoenician form of this early alphabet. There are similarities to the old English letter yogh (Ȝȝ). The table shows where Y came from.