Avestan 𐬬𐬀𐬗𐬀𐬵

← Proto-Indo-Iranian *wáčas (inherited)

← Proto-Indo-European *wékʷ-o-s (inherited)

← Proto-Indo-European *wekʷ- (mention)

← Proto-Iranian *wáčah (inherited)

← Sanskrit वचस् (cognate)

→ Ancient Greek ἔπος (cognate)

→ Mazanderani واجار (cognate)

→ Sanskrit वचस् (cognate)