Middle English word apreven comes from Latin probare, Latin ad ((direction) toward, to, on, up to, for.)

Detailed word origin of apreven

Dictionary entry	Language	Definition
probare	Latin (lat)
ad	Latin (lat)	(direction) toward, to, on, up to, for.
approbare	Latin (lat)
approuvir	Old French (fro)
aproven	Middle English (enm)	To prove.

Words with the same origin as apreven