_:B0e191b02d55cc9fea820c2bb6a8e0487 "*h₁op‑eie‑" . "PIE" . "115160" . _:B0e191b02d55cc9fea820c2bb6a8e0487 . "*h₁op‑eie‑" . "Etymology for: optō (la1155)" . "*h₁op‑eie‑" . .