French prouver

← Old French prover (inherited)

← Latin probāre (inherited)

← Latin probō (mention)

→ Catalan provar (cognate)

→ French éprouver (prefix)

→ French preuve (mention)

→ French approuver (mention)

→ French approuver (affix)

→ French prouvable (suffix)

→ Ido pruvar (borrowed)