"PIE" . "115027" . _:B0d98440c63f8a83f70a95a0a08cb250a . "Etymology for: operiō (la1148)" . "*h₂uer‑i(e)‑ [pr.]" . "*h₂uer‑i(e)‑" . . _:B0d98440c63f8a83f70a95a0a08cb250a . _:B0d98440c63f8a83f70a95a0a08cb250a "*h₂uer‑i(e)‑" .