Where does “瑣羅亞斯德” come from?

瑣羅亞斯德 (Chinese) comes from English Zoroaster, from Latin Zōroastrēs, from Ancient Greek Ζωροάστρης, from Avestan 𐬰𐬀𐬭𐬀𐬚𐬎𐬱𐬙𐬭𐬀.

Ancestry of “瑣羅亞斯德”, step by step

Step	Language	Word	Meaning
1	English	Zoroaster	Zarathustra
2	Latin	Zōroastrēs	—
3	Ancient Greek	Ζωροάστρης	—
4	Avestan	𐬰𐬀𐬭𐬀𐬚𐬎𐬱𐬙𐬭𐬀	—