(Πῶρος), the Greek form of the name of two Indian kings at the period of Alexander's invasion. Bohlen (Das alle Indicen, vol. i. p. 91) considers it to be a corruption of the Sanscrit "Paurusha," which signifies a hero.
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890