French word admettre comes from Latin mittere, Proto-Indo-European *moy-, Latin ad- (To.)

Detailed word origin of admettre

Dictionary entry	Language	Definition
mittere	Latin (lat)
*moy-	Proto-Indo-European (ine-pro)
ad-	Latin (lat)	To.
metre	Old French (fro)	To put, to place.
mitto	Latin (lat)	I announce, tell, report, send word, advise. I attend, guide, escort. I dismiss, disregard. I let or bring out, put or send forth, send out, emit; let blood, bleed; utter a sound, speak, say. I put an end to. I put out, extend, reach out (my hand). I send, cause to go, let go, release, discharge. I throw, hurl, cast, launch, send; throw down, sprinkle. I yield, furnish, produce, export.
mettre	Middle French (frm)	To put; to place.
mettre	French (fra)	(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.
admitto	Latin (lat)	I let in, admit.. I perpetrate, commit.
admettre	French (fra)	To admit (into), to accept (into) (a hospital or a university). To admit, to accept, to recognize.

Words with the same origin as admettre