Word Origin & History
1743, from Zoroaster, from L. Zoroastres, from O.Pers. Zarathushtra, 6c. or 7c. B.C.E. Pers. religious teacher. The name appears to be lit. "whose camels are old," from *zarant "old" (cognate with Gk. geron, gen. gerontos "old") + ushtra "camel."