Complex sentence: Pyramos or Pyramus (Greek: Πύραμος), formerly the Leucosyrus, was one of the great rivers of ancient Asia Minor, which has its sources in Cataonia near the town of Arabissus.
Split into simpler sentences: Pyramos or Pyramus (Greek: Πύραμος), formerly the Leucosyrus, was one of the great rivers of ancient Asia Minor. The Pyramus had its sources in Cataonia near the town of Arabissus.