Note 14 — Chapter VI · PORTUGAL AND ABYSSINIA
Reading edition
At the time of these exploits Oporto, now the second town of Portugal, was of little account; the great port at the mouth of the Douro was called in Latin Portus Calis, or, in the local dialect, Portucal. This place, being the most important port in the district recovered from the Moors by Count Henry, gave its name to the little principality which he founded.