Meaning

noun a feeling of mild anxiety about possible developments

noun the trait of seeming ill at ease

verb disturb in mind or make uneasy or cause to be worried or alarmed

originEtymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *d(w)is- Proto-Italic *dis- Latin dis- Old French des-bor. ▲ Latin dis-bor. Middle English dis- English dis- English quiet English disquiet From dis- + quiet.

Etymology from Wiktionary, CC BY-SA 3.0