c.1200, from L. magi, pl. of magus, from Gk. magos, word used for the Persian learned and priestly class as portrayed in the Bible (said by ancient historians to have been originally the name of a Median tribe), from O.Pers. magush "magician" (see magic).
"member of the ancient Persian priestly caste," late 14c., singular of magi (q.v.).