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 God by various titles and attributes, such as Almighty, All-Possessing, All-Powerful, All-Wise, Incomparable, Gracious, Helper, All-Glorious, and Omniscient. Bahá'ís believe the Greatest Name of God is "All-Glorious" or ' in Arabic. ' is the root word of the following names and phrases: the greeting ' (God is the All-Glorious), the invocation ' (O Thou Glory of the Most Glorious), "" (The Glory of God), and "Bahá'i" (Follower of the All-Glorious). These are expressed in Arabic regardless of the language in use (see Bahá'í symbols). Apart from these names, God is addressed in the local language, for example "Ishwar" in Hindi,