These are combined with aspects of the Zoroastrian religion, the ancient Persian faith still practiced in the region.
Lawler notes that in the Zoroastrian religion of the Persians, the rooster was of the utmost importance.
1743, from Zoroaster, from Latin Zoroastres, from Old Persian Zarathushtra, 6c. or 7c. B.C.E. Persian religious teacher. The name appears to be literally "whose camels are old," from *zarant "old" (cognate with Greek geron, genitive gerontos "old;" see gerontology) + ushtra "camel."