*ue‑k⁽ʷ⁾sp‑er‑o‑
http://lila-erc.eu/data/lexicalResources/BrillEDL/id/etymon/pie1362 an entity of type: Etymon
Etymology for: vesper (la1814)
*ue‑k⁽ʷ⁾sp‑er‑o‑
blank nodes
*ue‑k⁽ʷ⁾sp‑er‑o‑