_:B78767a27e7dfdfd38a8c4031da449859 "*gʷreh₂‑u‑" . "PIE" . "104903" . _:B78767a27e7dfdfd38a8c4031da449859 . "Etymology for: gravis (la0717)" . "*gʷreh₂‑u‑" . "*gʷreh₂‑u‑" . .