"PIE" . "115160" . _:B88f37c8644f3362a2f3c2d8f17eb4b5f . "*h₁op‑eie‑" . "Etymology for: optō (la1155)" . "*h₁op‑eie‑" . . _:B88f37c8644f3362a2f3c2d8f17eb4b5f "*h₁op‑eie‑" .