zurvanism/ˈzɜːvəˌnɪzəm/EtymologyOf Persian origin, Zurvan + -ism, from Middle Persian [script needed] (Zurvān), from Avestan 𐬰𐬭𐬎𐬎𐬁𐬥 (zruuān, “time”).zurvanism means A now-extinct branch of Zoroastrianism that had the divinity Zurvan as its primordial creator deity. Lexicurio rates it Rare gem — a strength score of 73 out of 100.nounA now-extinct branch of Zoroastrianism that had the divinity Zurvan as its primordial creator deity.