"PIE" . "93023" . _:B3b6ade232915f6aaa510b5d939bec668 . "*ḱs‑tro‑" . "Etymology for: castrum (la0244)" . "*ḱs‑tro‑" . . _:B3b6ade232915f6aaa510b5d939bec668 "*ḱs‑tro‑" .