"PIE" . "115027" . _:Bdaa2c4e34fdc68c75ec009892ef15fc3 . "Etymology for: operiō (la1148)" . "*h₂uer‑i(e)‑ [pr.]" . "*h₂uer‑i(e)‑" . . _:Bdaa2c4e34fdc68c75ec009892ef15fc3 . _:Bdaa2c4e34fdc68c75ec009892ef15fc3 "*h₂uer‑i(e)‑" .