Wiktionary
n. (context Zoroastrianism English) Avestan language name of the Zoroastrian divinity/divine concept of "not dying." As the hypostasis of immortality, Ameretat is the Amesha Spenta of long life on earth and perpetuality in the hereafter.
Wikipedia
() is the Avestan language name of the Zoroastrian divinity/divine concept of immortality. Ameretat is the Amesha Spenta of long life on earth and perpetuality in the hereafter.
The word is grammatically feminine and the divinity Ameretat is a female entity. Etymologically, Avestan derives from an Indo-Iranian root and is linguistically related to Vedic Sanskrit amá¹›tatva. In Sassanid Era Zoroastrian tradition, Ameretat appears as Middle Persian Amurdad, continuing in New Persian as Mordad or Amordad.