Where does “ketters” come from?

ketters (Dutch) comes from Dutch ketter, from Middle Dutch ketter, from Latin catharus, from Ancient Greek καθαρός — clean, clear, pure.

ketters (Dutch): heretic, heretical

Definitions

  1. heretic, heretical

Ancestry of “ketters”, step by step

ketters traces back through two separate lines of ancestry.

via Dutch ketter

StepLanguageWordMeaning
1Dutchketterheretic
2Middle Dutchketter—
3Latincatharus—
4Ancient Greekκαθαρόςclean, clear, pure

via Dutch S

StepLanguageWordMeaning
1DutchS—
Every word from Ancient Greek καθαρός →Every word from Latin catharus →Every word from Middle Dutch ketter →