Mazdayasnian adjective1 •Zoroastrian; of or pertaining to the Zoroastrian religion.Martínez García, Javier; de Vaan, Michiel (2014), Introduction to Avestan (Brill Introductions to Indo-European Languages; 1), Brill, →ISBN, page XI The Mazdayasnian creed attained dominance in the Achaemenid (559–336 BCE) and the Sasanian (ca. 224–651 CE) Persian Empire. formsmore Mazdayasnian · most Mazdayasnian
