Nĕaethus, i, m., = Νέαιθος,
a river in the territory of the Bruttii , the modern Nieto or Neto , Plin. 3, 11, 15, § 97 (in Ov. M. 15, 51, instead of Neaethum, we should read, acc. to the manuscripts, Neretum, q. v.).
NEAETHUS(Νέαιθος, Strab ; Νήαιθος, Theocr.; Ναύαιθος, Lycophr.), a river on the E. coast of Bruttium...
Dictionary of Greek and Roman Geography