Webster's Revised Unabridged Dictionary · 1913

Injury

Injury , noun

[Old English injurie, Latin injuria, from injurius injurious, wrongful, unjust; pref. in- not + jus, juris, right, law, justice: compare French injure. See Just, a.]

Any damage or hurt done to a person or thing; detriment to, or violation of, the person, character, feelings, rights, property, or interests of an individual; that which injures, or occasions wrong, loss, damage, or detriment; harm; hurt; loss; mischief; wrong; evil; as, his health was impaired by a severe injury; slander is an injury to the character.
For he that doeth injury shall receive that that he did evil. — Wyclif(Col. iii. 25)
Many times we do injury to a cause by dwelling on trifling arguments. — I. Watts
Riot ascends above their loftiest towers, And injury and outrage. — Milton

Injury in morals and jurisprudence is the intentional doing of wrong.