Meaning

noun strong feelings of dislike

verb fill with distaste

verb cause aversion in; offend the moral sense of

originBorrowed from Middle French desgouster, from Old French desgouster (“to put off one's appetite”), from des- (“dis-”) + gouster, goster (“to taste”), from Latin gustus (“a tasting”). By surface analysis, dis- + gust (“taste”). The noun is from Middle French desgoust, from the verb.

Etymology from Wiktionary, CC BY-SA 3.0