Old English profian

← English for (link)

← English be (link)

← Proto-West Germanic *prōbōn (inherited)

← Proto-Indo-European *pro-bʰuH-s (derived)

← Proto-Indo-European *pro- (derived)

← Proto-Indo-European *per- (mention)

← Proto-Indo-European *bʰuH- (derived)

← Latin probus (mention)

← Old Norse prófa (cognate)

← Old Frisian prōvia (cognate)