Hades three-headed guard dog Cerberus. The Etruscan god Aita and the Roman gods Dis Pater and Orcus were eventually taken as equivalent to Hades and merged into Pluto, a Latinization of Plouton (", Ploútōn"), itself a euphemistic title often given to Hades. The origin of Hades' name is uncertain, but has generally been seen as meaning "the unseen one" since antiquity. An extensive section of Plato's dialogue "Cratylus" is devoted to the etymology of the god's name, in which Socrates is arguing for a folk etymology not from "unseen" but from "his knowledge ("eidenai") of all noble things". Modern linguists have
Orc in a dark forest or garden and that might capture and eat humans, or be indifferent or even benevolent—all depending on the tale. Note that the Italian term "orco" is derived directly from the Latin Orcus, and is correctly translated into English as "ogre". In early Roman mythology, Orcus was a god of the underworld, and in medieval times, by association with death and the underworld, the term "orcus" also began to see use for other monstrous creatures and incorporated into the medieval bestiary. In particular, the Italian "orco" implies an anthropomorphic creature with bestial aspects, often demonic, suggestive of