웹4일 전 · U derives from the Semitic waw, as does F, and later, Y, W, and V.Its oldest ancestor goes to Egyptian hieroglyphs, and is probably from a hieroglyph of a mace or fowl, representing the sound [] or the sound [].This was borrowed to Phoenician, where it represented the sound [], and seldom the vowel [].. In Greek, two letters were adapted from …