French word nettoyage comes from French -age, French nettoyer (To clean. To wipe clean.)

Detailed word origin of nettoyage

Dictionary entry	Language	Definition
-age	French (fra)	(rare) Forming collective nouns.. Forming nouns with the sense of "action or result of Xing" or, more rarely, "action related to X".. Forming nouns with the sense of "state of being (a) X".
nettoyer	French (fra)	To clean. To wipe clean.
nettoyage	French (fra)	Cleaning.

Words with the same origin as nettoyage