zed (n.)youdaoicibaDictYouDict[zed 词源字典]
c. 1400, from Middle French zede, from Late Latin zeta, from Greek zeta, from Hebrew zayin, letter name, literally "weapon;" so called in reference to the shape of this letter in ancient Hebrew. U.S. pronunciation zee is first attested 1670s. Other dialectal names for the letter are izzard, ezod, uzzard, and zod.[zed etymology, zed origin, 英语词源]