strife (n.)
c.1200, "quarrel, fight, discord," from Old French estrif "fight, battle, combat, conflict; torment, distress; dispute, quarrel," variant of estrit "quarrel, dispute, impetuosity," probably from Frankish *strid "strife, combat" or another Germanic source (compare Old High German strit "quarrel, dispute"), related to Old High German stritan "to fight;" see stride (v.).