English
lesionectomy
From lesion + -ectomy.
Formed from lesion + -ectomy
Latin laedō ‘to strike, collide, hurt’
Latin laesiō ‘hurt, harm, injury’
Old French lesion ‘hurt, offense, wrong, injury, wound’
Middle English lesioun ‘physical injuring of the body’
English lesion
Today it means
noun Surgical resection of a lesion, usually as a treatment for epilepsy.
Language periods are conventional ranges, not dates for this word.
Etymograph / lesionectomy