köken: Borrowed from Medieval Latin Catharus, from Ancient Greek καθαρός (katharós, “pure”).
aile: catarisme
Etimoloji
from the masculine plural of Medieval Latin Catharī (“Pure (ones)”), from the masculine plural of Byzantine Greek καθαροί (katharoí, “Pure (ones)”), from the masculine singular of Byzantine Greek καθαρός (katharós, “Pure (one)”), from Ancient Greek καθαρός (katharós, “pure”).