*op‑wer‑i(e)‑
http://lila-erc.eu/data/lexicalResources/BrillEDL/id/etymon/pit0840 an entity of type: Etymon
Etymology for: operiō (la1148)
*op‑wer‑i(e)‑
blank nodes
*op‑wer‑i(e)‑