"PIE" . "115027" . _:Bfabdd6af43a3bd222723a59f076e3241 . "Etymology for: operiō (la1148)" . "*h₂uer‑i(e)‑ [pr.]" . "*h₂uer‑i(e)‑" . . _:Bfabdd6af43a3bd222723a59f076e3241 . _:Bfabdd6af43a3bd222723a59f076e3241 "*h₂uer‑i(e)‑" .