French word impardonnable comes from French in- (In-; un- (indicates negation).), French -able (-able.), French pardonner ((transitive) to excuse. To pardon, forgive.)

Detailed word origin of impardonnable

Dictionary entry	Language	Definition
in-	French (fra)	In-; un- (indicates negation).
-able	French (fra)	-able.
pardonner	French (fra)	(transitive) to excuse. To pardon, forgive.
impardonnable	French (fra)	Impardonable.

Words with the same origin as impardonnable