- exacerbation (n.)
[exacerbation 词源字典]
- c. 1400, from Late Latin exacerbationem (nominative exacerbatio), noun of action from past participle stem of Latin exacerbare "exasperate, irritate, provoke," from ex- "thoroughly" (see ex-) + acerbus "harsh, bitter," from acer "sharp, keen" (see acrid).[exacerbation etymology, exacerbation origin, 英语词源]