"PIE" . "91675" . _:B808da5bf7975ab212898e9461d4aa4df . "Etymology for: bitūmen (la0170)" . "*gʷet‑u‑" . "*gʷet‑u‑" . . _:B808da5bf7975ab212898e9461d4aa4df "*gʷet‑u‑" .