lesion

Where does the word "lesion" come from? It comes from Latin laesio, and was adopted directly into English (1400s).

Lesion’s story begins in Latin: laesio meant “an injury, a hurt.” An injury, a hurting, from laedere (to injure). It reached English by 1400s as lesion. Settled as the medical word for a region of damaged tissue. Today, lesion means a region of tissue that has been damaged by injury or disease.

1. Stage 1 · Latin · ancient laesio "an injury, a hurt", an injury, a hurting, from laedere (to injure).
2. Stage 2 · English · 1400s lesion "an area of damaged or abnormal tissue", settled as the medical word for a region of damaged tissue.