Why is Hades name Hades?

The name "Hades" comes from the ancient Greek Word "hadein," which means "to see" or "to perceive," reflecting his role as the god of the underworld and the unseen realm of the dead. In mythology, Hades was often associated with the concept of the afterlife and the hidden aspects of existence. The name also signifies the domain over which he ruled, as "Hades" can refer both to the god himself and to the underworld he governs.