Why Did The Romans Call Hades Dis?

Why Did The Romans Call Hades Dis? Dīs Pater (/ˌdɪs ˈpeɪtər/; Latin: [diːs ˈpatɛr]; genitive Dītis Patris) is a Roman god of the underworld. Dis was originally associated with fertile agricultural land and mineral wealth, and since those minerals came from underground, he was later equated with the chthonic deities Pluto (Hades) and Orcus. What