Injury comes from Latin 'iniūria' (not right), a compound of 'in-' (not) and 'iūs' (right, law), originally meaning a legal wrong.
Physical harm or damage to someone's body; damage to a person's feelings, reputation, or rights; a wrong or injustice.
From Anglo-French injurie, from Latin iniūria (a wrong, injustice, violation of rights, unlawful act, harm), composed of in- (not, un-) and iūs (genitive iūris, right, law, justice). Latin iūs is one of the core legal terms of Roman civilisation; it denoted the body of right — what is due, what is lawful, what is just. Its origin is disputed: it may derive from PIE *h₂yew- (vital force, life energy, law as life-giving
In British sports, 'injury time' (added time at the end of a football match) commemorates the word's physical-harm meaning, while in law, 'personal injury' retains both the physical and legal senses simultaneously.