Meaning

noun a flavored sugar topping used to coat and decorate cakes

verb decorate with frosting

verb provide with a rough or speckled surface or appearance

originEtymology tree Proto-Indo-European *prews- Proto-Indo-European *-tós Proto-Indo-European *prustós Proto-Germanic *frustaz Proto-West Germanic *frost Old English frost Middle English frost English frost English -ing English frosting From frost + -ing.

Etymology from Wiktionary, CC BY-SA 3.0