glitter (v.) Look up glitter at Dictionary.com
c.1300, glideren (late 14c. as gliteren), from a Scandinavian source such as Old Norse glitra "to glitter," from glit "brightness," from Proto-Germanic *glit- "shining, bright" (cognates: Old English glitenian "to glitter, shine; be distinguished," Old High German glizzan, German glitzern, Gothic glitmunjan), from PIE *ghleid- (cognates: Greek khlidon, khlidos "ornament"), from root *ghel- (2) "to shine," with derivatives referring to bright materials and gold (see glass). Related: Glittered; glittering. The noun is c.1600, from the verb. Glitter rock is from 1972.