dissension (n.)youdaoicibaDictYouDict[dissension 词源字典]
early 14c., from Old French dissension (12c.) and directly from Latin dissensionem (nominative dissensio) "disagreement, difference of opinion, discord, strife," noun of action from past participle stem of dissentire "disagree" (see dissent).[dissension etymology, dissension origin, 英语词源]