"PIE" . "130766" . _:Bad420f412d16d69a8d3b5f66db368df4 . "Etymology for: volvō (la1868)" . "*uel‑u‑" . "*uel‑u‑" . . _:Bad420f412d16d69a8d3b5f66db368df4 "*uel‑u‑" .