Proper noun
Ahuna Vairya
(Zoroastrianism) Avestan language name of the most sacred of the Gathic hymns of the Avesta, the revered texts of Zoroastrianism.
"At the beginning of creation, the recital of the Ahuna Vairya prayer by Ahura Mazdā put Angra Mainyu to flight (Y. 19. 15). Source: Internet