Proper noun
Portus
(historical) A large artificial harbour of Ancient Rome, situated on the north bank of the mouth of the River Tiber, established and enlarged (respectively) by the Emperors Claudius (10 BC–AD 54) and Trajan (AD 53–117), and connected to the Pons Aemilius of Rome by the Via Portuensis.
523. Efficitur portus medium mare: tutaque ventis 524. Omnibus, ingenti mansuescunt stagna recessu) Its founding is linked to its position along communication routes with Africa as well as to its excellent port. Source: Internet
However, Julius Nepos disembarked at Portus in July 474 AD and deposed Glycerius without a fight. Source: Internet
The Livonian Chronicle of Henry testifies to Riga having long been a trading centre by the 12th century, referring to it as portus antiquus (ancient port), and describes dwellings and warehouses used to store mostly corn, flax, and hides. Source: Internet
Like Lemanis ( Lympne ) and Rutupiae ( Richborough ) Dover was connected by road to Canterbury and Watling Street ; and it became Portus Dubris, a fortified port. Source: Internet
Cryptus Portus is synonymous with Oman ("hidden land"). Source: Internet
This was also the site of the Roman Portus Scipio, and when Arab pirates raided the area in the 8th century it became the refuge for people fleeing from the city. Source: Internet