_:B59731d467cae6c32f05ceff3ac15db80 . _:B59731d467cae6c32f05ceff3ac15db80 . _:B59731d467cae6c32f05ceff3ac15db80 "*pr‑to‑" . "PIE" . . "118508" . _:B59731d467cae6c32f05ceff3ac15db80 . "*pr‑to‑;*pr‑tu‑" . "Etymology for: porta (la1292)" . "*pr‑to‑" . .