dissimulate (v.)youdaoicibaDictYouDict[dissimulate 词源字典]
1530s, from Latin dissimulatus, past participle of dissimulare "to disguise, hide, conceal, keep secret," from dis- (see dis-) + simulare (see simulate). Related: Dissimulated; dissimulating.[dissimulate etymology, dissimulate origin, 英语词源]