The story
- Ancient Greek · derived fromκαθαρός“pure”
- Medieval Greek · derived fromκαθαρός“Pure (one)”
- Medieval Greek · derived fromκαθαροί“Pure (ones)”
- Medieval Latin · derived fromCatharī“Pure (ones)”
- English todayCathar
Recorded since the 16th century; from the masculine plural of Medieval Latin Catharī (“Pure (ones)”), from the masculine plural of Medieval Greek καθαροί (katharoí, “Pure (ones)”), from the masculine singular of Medieval Greek καθαρός (katharós, “Pure (one)”), from Ancient Greek καθαρός (katharós, “pure”).
Words from the same roots
Ancient Greekκαθαρός all →
Etymology from Wiktionary, CC BY-SA 4.0.