lesion

The story

1. Latin · derived fromlaesiō“hurt, harm, injury”
2. Old French · derived fromlesion“hurt, offense, wrong, injury, wound”
3. Middle English · inherited fromlesioun“physical injuring of the body”
4. English todaylesion

From Middle English lesioun (“physical injuring of the body”), from Old French lesion (“hurt, offense, wrong, injury, wound”), from Latin laesiō (“hurt, harm, injury”) (whence -ion (“noun suffix denoting action, result, process, state, condition”)), from laesus (“hurt, injured, wounded, damaged”), past participle of laedō (“to strike, collide, hurt”).