acrimony
n.
1540s, "quality of being acrid," from Middle French acrimonie or directly from Latin acrimonia "sharpness, pungency of taste," figuratively "acrimony, severity, energy," from acer "sharp" (fem. acris, neuter acre; see acrid) + -monia suffix of action, state, condition. Figurative extension to "sharpness of temper" is first recorded 1610s.
〔李〕[acr;-i-;-monyn.] n.（语言、态度、脾气等）刻毒 ←acr (L acer, acris)=sharp 尖的
〔李〕n. （语言、态度等）刻薄，狠毒 [acri- =sharp] ←-mony [L] 表示“⋯的状态、性质、结果等”