Which Greek word means 'pure'?

• A. Kathar
• B. Cathar
• C. Catharos
• D. Katharos

Answer: (D)

Greek καθαρός means clean or pure. When you transliterate it into Latin letters, you get katharos, which is the standard masculine singular form meaning pure. The -os ending marks it as that common adjective form, so this is the version that directly translates to “pure.” The other spellings don’t match the usual transliteration or leave off the ending, so they don’t carry the same meaning.