Uneasy
来自Big Physics
wiktionary
From Middle English unesy, equivalent to un- + easy. Merged with Middle English unethe, uneathe(“difficult, not easy”). See uneath.
From Middle English unesy, unaisie(“not comforting”), from un- + esy(“comfortable, at ease”). More at easy.
etymonline
uneasy (adj.)
late 13c., "not comforting, causing trouble," from un- (1) "not" + easy (adj.). Meaning "disturbed in mind" is attested from 1670s. Related: Uneasily; uneasiness.
