"Zarathustra"(a symbolic representation) word root is most probably the derivative of Jaratha, which means violent, love-affair & Yellowish. Yellowish denotes monotheistic Sun cult (followed by Akhenaten-Eknath/Moses-Mahasay-Musha), -
"Ahi Dahak" referred to as the son of Angira(Angirasa) Manyu(Manu). Prominent Brahmin law givers name-
so forth. regards.