The underworld is the supernatural world of the dead in various religious traditions and myths, located below the world of the living. Chthonic is the technical adjective for things of the underworld. The concept of an underworld is found in almost every civilization and "may be as old as humanity itself".

Whats the meaning of underworld?

1 : the place of departed souls : hades. 2 archaic : earth. 3 : the side of the earth opposite to one : antipodes.

Where does the word underworld come from?

underworld (n.)

c. 1600, "the lower world, Hades, place of departed souls," also "the earth, the world below the skies," as distinguished from heaven. Similar formation in German unterwelt, Dutch onderwereld, Danish underverden.