_:B72dd66ef151f442bb6ba1d4a18cc92bc . _:B72dd66ef151f442bb6ba1d4a18cc92bc . _:B72dd66ef151f442bb6ba1d4a18cc92bc "*pr‑to‑" . "PIE" . . "118508" . _:B72dd66ef151f442bb6ba1d4a18cc92bc . "*pr‑to‑;*pr‑tu‑" . "Etymology for: porta (la1292)" . "*pr‑to‑" . .