Meaning of Z in English
z, the twenty-sixth and last letter of the english alphabet, is a vocal consonant. it is taken from the latin letter z, which came from the greek alphabet, this having it from a semitic source. the ultimate origin is probably egyptian. etymologically, it is most closely related to s, y, and j; as in glass, glaze; ·eng. yoke, ·gr./·lat. yugum; ·eng. zealous, jealous. ·see guide to pronunciation, // 273, 274.
Webster English vocab. Английский словарь Webster. 2012