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
Names of God of the names themselves mostly remains within the domain of a particular religion, or even may help define one's religious belief according to practice, as in the case of the recitation of names of God (such as the japa). Guru Gobind Singh's Jaap Sahib, which contains 950 names of God. "The Divine Names", the classic treatise by Pseudo-Dionysius, defines the scope of traditional understandings in Western traditions such as Hellenic, Christian, Jewish and Islamic theology on the nature and significance of the names of God. Further historical lists such as "The 72 Names of the Lord" show parallels in the