Where does “dumb” come from?

Dumb comes from Middle English dumb, from Old English dumbian, from Proto-Germanic dumbaz, ultimately from Proto-Indo-European dʰewbʰ-, itself derived from Proto-Indo-European dʰewh₂-.

dumb (English): Unable to speak; lacking power of speech; Silent;...

Definitions

  1. Unable to speak; lacking power of speech; Silent;...

Ancestry of “dumb”, step by step

dumb traces back through two separate lines of ancestry.

via English damn

StepLanguageWordMeaning
1EnglishdamnTo condemn to hell; To condemn; to declare...
2Middle Englishdampnento damn
3Old Frenchdampnerto damn
4Latindamnōto discredit, find fault, disapprove, reject
5Latindamnumdamage or injury; loss; a fine
6Proto-Italicdapnom
7Proto-Indo-Europeandh₂pnómexpense, investment
8Proto-Indo-Europeandeh₂p-to sacrifice; to lose
9Proto-Indo-Europeandeh₂-to share, divide

via Middle English dumb

StepLanguageWordMeaning
1Middle EnglishdumbLacking or failing to display the faculty of...
2Old Englishdumbmute, dumb; a mute
3Proto-Germanic*dumb
4Proto-Germanicdumbazdumb, mute, unable to speak
5Proto-Indo-Europeandʰewbʰ-deep
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “dumb

Every word from Proto-Indo-European deh₂-