Borrowed from French zoroastrisme. By surface analysis, Zoroastru + -ism.
zoroastrism n (uncountable)
singular | plural | ||||
---|---|---|---|---|---|
indefinite | definite | indefinite | definite | ||
nominative-accusative | zoroastrism | zoroastrismul | zoroastrisme | zoroastrismele | |
genitive-dative | zoroastrism | zoroastrismului | zoroastrisme | zoroastrismelor | |
vocative | zoroastrismule | zoroastrismelor |