Avestan 𐬞𐬆𐬭𐬆𐬚𐬎

← English flat (cognate)

← Proto-Indo-Iranian *pr̥tʰúš (inherited)

← Proto-Indo-European *pléth₂us (inherited)

← Proto-Indo-European *pleth₂- (mention)

← Proto-Iranian *pr̥θúš (inherited)

← Sanskrit पृथु (cognate)

→ Northern Kurdish fireh (cognate)

→ Sanskrit पृथु (cognate)

→ Old Armenian հարթ (cognate)