derision (n.)youdaoicibaDictYouDict[derision 词源字典]
c. 1400, from Old French derision "derision, mockery" (13c.), from Latin derisionem (nominative derisio), noun of action from past participle stem of deridere "ridicule," from de- "down" (see de-) + ridere "to laugh."[derision etymology, derision origin, 英语词源]