"PIE" . "93023" . _:Bb8de8e17375f932c2d7c3902585ee09e . "*ḱs‑tro‑" . "Etymology for: castrum (la0244)" . "*ḱs‑tro‑" . . _:Bb8de8e17375f932c2d7c3902585ee09e "*ḱs‑tro‑" .