"PIE" . "115160" . _:B8e26b2943c084e2e2357d4313597e88f . "*h₁op‑eie‑" . "Etymology for: optō (la1155)" . "*h₁op‑eie‑" . . _:B8e26b2943c084e2e2357d4313597e88f "*h₁op‑eie‑" .