Meaning

noun a strong current of air

originApparently from an unrecorded Middle English *gust, from Old Norse gustr (“a gust, blast”), from Proto-Germanic *gustiz, from Proto-Indo-European *ǵʰew-. Cognate with Icelandic gustur (“gust of wind”). Related also to Old Norse gusa (“to gush forth”), Old High German gussa (“flood”), Middle English guschen (> English gush). The English word was not recorded before Shakespeare.

Etymology from Wiktionary, CC BY-SA 3.0