Meaning

verb be shown or be found to be

verb establish the validity of something, as by an example, explanation or experiment

verb provide evidence for

originFrom Middle English proven, from Old English prōfian (“to esteem, regard as, evince, try, prove”) and Old French prover (“to prove”), both from Latin probō (“test, try, examine, approve, show to be good or fit, prove”, verb), from probus (“good, worthy, excellent”), from Proto-Indo-European *pro-bʰuH-s (“being in front, prominent”), from *pro-, *per- (“toward”) + *bʰuH- (“to be”). Displaced…

Etymology from Wiktionary, CC BY-SA 3.0