"PIE" . "90170" . _:Bf8dacc578d35d9653862f58352419a5a . "*h₂(e)r(ḱ)‑s" . "Etymology for: arx (la0117)" . "*h₂(e)r(ḱ)‑s" . . _:Bf8dacc578d35d9653862f58352419a5a "*h₂(e)r(ḱ)‑s" .