Portus

Etymology
From the, presumably from.

Proper noun

 * 1)  A large artificial harbour of, situated on the north bank of the mouth of the River , established and enlarged (respectively) by the Emperors  (10 BC–AD 54) and  (AD 53–117), and connected to the  of Rome by the.

Translations

 * Marathi: पोर्तुस

Etymology
Presumably a use as a proper noun of the common noun.

Proper noun

 * 1)   large artificial harbour of Ancient Rome