"PIE" . "90170" . _:Bafca81fc50a331472461f4c6813f06f6 . "*h₂(e)r(ḱ)‑s" . "Etymology for: arx (la0117)" . "*h₂(e)r(ḱ)‑s" . . _:Bafca81fc50a331472461f4c6813f06f6 "*h₂(e)r(ḱ)‑s" .