dissimulation (n.)youdaoicibaDictYouDict[dissimulation 词源字典]
late 14c., from Old French dissimulation (12c.), from Latin dissimulationem (nominative dissimulatio) "a disguising, concealment," noun of action from past participle stem of dissimulare "make unlike, conceal, disguise," from dis- "completely" + simulare "pretend, assume, simulate" (see simulation).[dissimulation etymology, dissimulation origin, 英语词源]