_:BX2D3ad15a0X3A19ab54fe99dX3A5e19 "*gʷreh₂‑u‑" . "PIE" . "104903" . _:BX2D3ad15a0X3A19ab54fe99dX3A5e19 . "Etymology for: gravis (la0717)" . "*gʷreh₂‑u‑" . "*gʷreh₂‑u‑" . .