Pluto, Lord of the Ancient Underworld - ThoughtCo
May 30, 2019 · As Cicero notes, he got his money "because all things fall back into the earth and also arise from the earth." Since mining digs up wealth from under the earth, Pluto came to be associated with the Underworld. This made it possible to refer to a god Pluto ruling a land of the dead called Hades, named for its Greek overlord.