"PIE" . "90170" . _:B3bcb077fec526f9cc30874379ba3a716 . "*h₂(e)r(ḱ)‑s" . "Etymology for: arx (la0117)" . "*h₂(e)r(ḱ)‑s" . . _:B3bcb077fec526f9cc30874379ba3a716 "*h₂(e)r(ḱ)‑s" .