late 14c., "harm, damage, loss; a specific injury," from Anglo-French injurie "wrongful action" (Old French injure, 13c.), from Latin iniuria "wrong, an injustice, insult, unlawful violence, assault, damage, harm," noun use of fem. of iniurius "wrongful, unjust, unlawful," from in- "not, opposite of" (see in- (1)) + ius (genitive iuris) "right, law" (see jurist).