"PIE" . "130442" . _:B2b80cbf0cc9d77b407822287a25bfdb2 . "Etymology for: vitrum (la1853)" . "*ued‑ro‑" . "*ued‑ro‑" . . _:B2b80cbf0cc9d77b407822287a25bfdb2 "*ued‑ro‑" .