"PIE" . "130766" . _:Ba6117cc632052414b1e8c34e40ba5a41 . "Etymology for: volvō (la1868)" . "*uel‑u‑" . "*uel‑u‑" . . _:Ba6117cc632052414b1e8c34e40ba5a41 "*uel‑u‑" .