Parseeism

or Par·si·ism

[ par-see-iz-uh m, pahr-see-iz-uh m ]
/ ˈpær siˌɪz əm, pɑrˈsi ɪz əm /

noun

the religion and customs of the Parsees.

Origin of Parseeism

First recorded in 1835–45; Parsee + -ism