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 own languages to refer to God, such as Khuda in Persian, Bengali and Hindi-Urdu. Tangri or Tengri was used in the Ottoman Turkish language as the equivalent of Allah. In Tasawwuf, the inner, mystical dimension of Islam, Hu, Huwa (depends on placement in sentence), or Parvardigar in Persian are used as names of God. The sound Hu derives from the last letter of the word Allah, which is read as Allahu when in the middle of a sentence. Hu means "Just He" or "Revealed". The word explicitly appears in many verses of the Quran: The Bahá'í scriptures often refer to