French word damner comes from Latin damnum ((financial) loss. A fine. Damage or injury.), Middle English hypercorrection

Detailed word origin of damner

Dictionary entry	Language	Definition
damnum	Latin (lat)	(financial) loss. A fine. Damage or injury.
hypercorrection	Middle English (enm)
damno	Latin (lat)	(of a will) I bind, oblige.. I condemn, censure, judge.. I discredit, find fault, disapprove, reject.. I sentence someone to a punishment, declare guilty, condemn, doom, convict.
damner	French (fra)	To damn (to condemn as unfit etc.).

Words with the same origin as damner