mage (n.)

"magician, enchanter," c. 1400, Englished form of Latin magus "magician, learned magician," from Greek magos, a 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 Old Persian magush "magician" (see magic and compare magi). An "archaic" word by late 19c. (OED), revived by fantasy games.