ˈzərvəˌnizəm noun
also zar·van·ism ˈzär-
( -s )
Usage: usually capitalized
Etymology: Zervan, Zarvan, an ancient Iranian god + English -ian
: an ancient Iranian religion or Zoroastrian heretical sect teaching that infinite time is the originating principle of existence and prior to the dual principles of good and evil held ultimate by orthodox Zoroastrianism and influencing Mithraism