For the city in Africa, see
Atar, Mauritania. For the month of the Hebrew calendar, see
Adar. For the French jet engine, see
SNECMA Atar.Atar (ātar,
Avestan) is the
Zoroastrian concept for "burning and unburning fire" and "visible and invisible fire" (Mirza, 1987:389).In an unrestricted sense, atar is heat - that is, thermal energy, manifest as fire or other luminous source when visible. In this sense, atar is an attribute of sources of heat and light, an adjectival form of nominative singular atarsh (ātarš). In later Zoroastrianism, atar (in
middle Persian: ādar or ādur) is iconographically conflated with fire itself, which in middle Persian is ataksh, one of the primary objects of Zoroastrian symbolism. The etymology of atar is unknown (Boyce, 2002:1). The
yazata Atar is not of Indo-Iranian origin (Dhalla 1938:174).
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