French word maintenir comes from Latin tentare, Latin manu, Latin manus tenere, and later Latin manuteneo ((Late Latin, Vulgar Latin) I support, maintain.)

Detailed word origin of maintenir

Dictionary entry	Language	Definition
tentare	Latin (lat)
manu	Latin (lat)
manus tenere	Latin (lat)
manuteneo	Late Latin (LL)
manuteneo	Latin (lat)	(Late Latin, Vulgar Latin) I support, maintain.
maintenir	Old French (fro)	To maintain (to keep the same).
maintenir	French (fra)	(reflexive, se maintenir) to keep up. (reflexive, se maintenir) to persist. (reflexive, se maintenir, of the weather) to stay fair. To maintain. To stick to.

Words with the same origin as maintenir