_:B6f3bfb1b7a6fc07986af13867b129233 "*lūstro‑" . "PIt" . "111031" . _:B6f3bfb1b7a6fc07986af13867b129233 . "Etymology for: lūstrum (la0953)" . "*lūstro‑" . "*lūstro‑" . .