# Zoroastrianism

> English word · Proper noun · IPA /ˌzɒɹəʊˈæstɹɪəˌnɪzəm/ · frequency rank #70,420

## Definitions
1. Mazdaism, the surviving form of the indigenous (pre-Islamic) Iranian ethnic religion.
2. The historical (pre-Islamic) indigenous beliefs and practices of the Iranian peoples.

## Etymology
From Zoroastrian + -ism, influenced by Greek, Latin, Arabic and Syriac reports of Zoroaster (“Zarathustra”) as the “lawgiver” of the Iranian peoples, as reviewed in Thomas Hyde's Veterum Persarum et Parthorum et Medorum Religionis Historia, 1700.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/zoroastrianism