French word chronophagement comes from French -ment, French chronophage (Time-consuming.)

Detailed word origin of chronophagement

Dictionary entry	Language	Definition
-ment	French (fra)	Used to form adverbs (from the feminine form of an adjective), most of the time equivalent to the English -wise, -ly. Used to form nouns from verbs, usually of action or state resulting of them. Equivalent to the English -ment.
chronophage	French (fra)	Time-consuming.
chronophagement	French (fra)	Time-consumingly.

Words with the same origin as chronophagement