Berosos or Berossus (name possibly derived from ; Akkadian: Bēl-rē'u?unu, "Bel is their shepherd"; )The suggestion was made by Heinrich Zimmern; cf. Lehmann-Haupt, "Neue Studien zu Berossos" Klio 22 (1929:29) was a Hellenistic-era Babylonian writer, a priest of Bel MardukSeneca Nat.