Does Dumb Mean Mute?

Does Dumb Mean Mute? Does dumb mean mute? Dumb is the Old English word that means “mute, speechless,” and itself came from an even older word dheubh meaning “confusion, stupefaction, dizziness.” Today, dumb still means “unable to speak,” but it doesn’t have anything to do with intelligence. Why is a mute called dumb? According to