"PIE" . "115027" . _:B734d79a7X3A195d1e795f5X3A628d . "Etymology for: operiō (la1148)" . "*h₂uer‑i(e)‑ [pr.]" . "*h₂uer‑i(e)‑" . . _:B734d79a7X3A195d1e795f5X3A628d . _:B734d79a7X3A195d1e795f5X3A628d "*h₂uer‑i(e)‑" .