"PIt" . "129553" . _:B93ebb21193459228a3fd5e0f13f939b6 . "Etymology for: vapor (la1770)" . "*kʷap‑ōs" . "*kʷap‑ōs" . . _:B93ebb21193459228a3fd5e0f13f939b6 "*kʷap‑ōs" .