Where does “Mazdaism” come from?
Mazdaism (English) comes from English Ahura Mazda, from Avestan 𐬀𐬵𐬎𐬭𐬀 𐬨𐬀𐬰𐬛𐬁, from Avestan 𐬨𐬀𐬰𐬛𐬁, from Proto-Iranian mazdáH, from Proto-Indo-Iranian mazdʰáH, from Proto-Indo-European mn̥s-dʰéh₂, from Proto-Indo-European meHndʰ-, from Proto-Indo-European dʰeh₁- — to do, put, place.
Ancestry of “Mazdaism”, step by step