2023年2月27日 · Acheron was one of the rivers of the Underworld, as well as the name of the river’s god. “Acheron” could also be used, by extension, as a name for the Underworld itself. The River Acheron, whose name comes from the Greek word for “pain” or “woe,” was usually identified with a river in Thesprotia in southern Epirus which flowed ...