"PIE" . "115160" . _:B532b01c3f5b36f62e1c409884f0711ed . "*h₁op‑eie‑" . "Etymology for: optō (la1155)" . "*h₁op‑eie‑" . . _:B532b01c3f5b36f62e1c409884f0711ed "*h₁op‑eie‑" .