"PIE" . "115027" . _:B4b47705f507004b851be0f22341abc06 . "Etymology for: operiō (la1148)" . "*h₂uer‑i(e)‑ [pr.]" . "*h₂uer‑i(e)‑" . . _:B4b47705f507004b851be0f22341abc06 . _:B4b47705f507004b851be0f22341abc06 "*h₂uer‑i(e)‑" .