mid-14c., victour, "winner of a battle, test of strength, etc.; conqueror; famous warrior," from Anglo-French, Old French victor "conqueror," and directly from Latin victorem (nominative victor) "a conqueror," agent noun from past participle stem of vincere "to conquer, overcome, defeat," from nasalized form of PIE root *weik- (3) "to fight, conquer." Fem. formations include victrice (late 14c.), victress (c. 1600), victrix (1650s).