Origin: Greek suffix -ism
Manichaeism has 2 different meanings across 2 categories:
a religion founded by Manes in the third century; a synthesis of Zoroastrian dualism between light and dark and Babylonian folklore and Buddhist ethics and superficial elements of Christianity; spread widely in the Roman Empire but had largely died out by 1000
A syncretic, dualistic religion that combined elements of Zoroastrian, Christian, and Gnostic thought, founded by the Iranian prophet Mani in 3rd century AD.