Ancient Greek πτέρνη

← Ancient Greek πέρνα (doublet)

← Proto-Indo-European *tpḗrsneh₂ (inherited)

← Latin perna (cognate)

← Sanskrit पार्ष्णि (cognate)

→ Ancient Greek πέρνα (doublet)

→ Latin perna (cognate)

→ Sanskrit पार्ष्णि (cognate)