Mythology & Beliefs: Dis For Dis, See Pluto, Hades.
Dis in Greek and Roman Biography and Mythology
contracted from Dives, a name sometimes given to Pluto, and
hence also to the lower world. (Cic. de Nat. Deor. 2.26; Verg.
A. 6.127; comp. PLUTO.) - A Dictionary of Greek and Roman
biography and mythology, William Smith, Ed.