_:B4212d8c309e16907aed23e4b8e301ce8 "*gʷreh₂‑u‑" . "PIE" . "104903" . _:B4212d8c309e16907aed23e4b8e301ce8 . "Etymology for: gravis (la0717)" . "*gʷreh₂‑u‑" . "*gʷreh₂‑u‑" . .