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).
mid-15c., "do an injustice to, dishonor," probably a back-formation from injury, or else from Old French injuriier "to damage; offend," from Latin iniuriari "do an injury," from iniuria. Injury itself also served as a verb meaning "to injure, hurt, harm" (late 15c.). Related: Injured; injuring.
c. 1200, "a wound, an injury;" also "sorrow, lovesickness," from hurt (v.). Old French had hurte (n.), but the sense "injury" is only in English.
"retaliation for wrongs real or fancied, act of doing harm or injury in return for wrong or injury suffered," 1540s, from French revenge, a back-formation from revengier (see revenge (v.)). Hence "vindictive feeling, desire to be revenged."
doctrine of non-violence, 1875, from Sanskrit ahimsa, from a "without" (from PIE root *ne- "not") + himsa "injury."
"contusion without laceration, superficial injury caused by impact," 1540s, from bruise (v.).