"PIE" . "93023" . _:Bfc2f10c7eb53f5f2092f6121d7f33fdb . "*ḱs‑tro‑" . "Etymology for: castrum (la0244)" . "*ḱs‑tro‑" . . _:Bfc2f10c7eb53f5f2092f6121d7f33fdb "*ḱs‑tro‑" .