Mettre etymology in French

French word mettre comes from Proto-Indo-European *mith₂-, Latin ite, missa est, and later Old French metre (To put, to place.)

Dictionary entry	Language	Definition
*mith₂-	Proto-Indo-European (ine)
ite, missa est	Latin (lat)
missum	Latin (lat)
metre	Old French (fro)	To put, to place.
mettre	French (fr)	(pronominal) to start (+ à) (something / doing something), to get around to doing something. (transitive) to put; to place. (transitive) to set (to lay a table). (transitive, of clothing) to put on.

Mettre etymology