köken: Inherited from Latin zeta, reduced by analogy with the many other letters that end with the /e/ sound (such as bê and vê). Compare English zee (from zed), Galician zeta, and Spanish zeta. Portuguese and (American) English are the only languages in which Z is not called zeta or some variation thereof, with a biphonemic (two-sound) short form being used instead.
The name of the Latin script letter Z/z. · zeta (Greek letter)
çekim: çoğul zetur · tamlayan zetu
Etimoloji
Borrowed from English zed. The English word-final voiced sound /d/ is sometimes transcribed as if it was voiceless, as tto, instead of the usual (and more accurate) ddo, because Japanese didn’t have a voiced geminate. Perhaps also influenced by Dutch [zɛt], which ends in a voiceless sound. Some English words ending in the voiced sound /z/ are also transcribed as if they ended in the voiceless…