dissension (n.)

early 14c., dissencioun, "disagreement in opinion," especially strong disagreement which produces heated debate, 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," from dis- "differently" (see dis-) + sentire "to feel, think" (see sense (n.)).