cyclops (n.) Look up cyclops at Dictionary.com
(plural cyclopes), 1510s, from Latin, from Greek kyklops, literally "round-eyed," from stem of kyklos "circle, circular body" (from PIE root *kwel- (1) "revolve, move round") + -ops (see eye (n.)). One of a race of one-eyed giants who forged thunderbolts for Zeus, built the walls of Mycenae, etc.