"PIE" . "115160" . _:B734d79a7X3A195d1e795f5X3AX2D5f89 . "*h₁op‑eie‑" . "Etymology for: optō (la1155)" . "*h₁op‑eie‑" . . _:B734d79a7X3A195d1e795f5X3AX2D5f89 "*h₁op‑eie‑" .