Where does “dumbass” come from?

dumbass (English) comes from English dumb, from English damn, from Middle English dampnen, from Old French dampner, from Latin damnō, from Latin damnum, from Proto-Italic dapnom, from Proto-Indo-European dh₂pnóm — to share, divide.

dumbass (English): A stupid or foolish person; Stupid, foolish

Definitions

  1. A stupid or foolish person; Stupid, foolish

Ancestry of “dumbass”, step by step

dumbass traces back through two separate lines of ancestry.

via English dumb

StepLanguageWordMeaning
1EnglishdumbUnable to speak; lacking power of speech; Silent;...
2EnglishdamnTo condemn to hell; To condemn; to declare...
3Middle Englishdampnento damn
4Old Frenchdampnerto damn
5Latindamnōto discredit, find fault, disapprove, reject
6Latindamnumdamage or injury; loss; a fine
7Proto-Italicdapnom
8Proto-Indo-Europeandh₂pnómexpense, investment
9Proto-Indo-Europeandeh₂p-to sacrifice; to lose
10Proto-Indo-Europeandeh₂-to share, divide

via English ass

StepLanguageWordMeaning
1EnglishassAny of several species of horse-like animals,...
2Middle EnglishasseAlternative form of axen
3Old Englishassaass, donkey
4Old Englishassenshe-ass
5Latinasinusa donkey, an ass; an ass, an idiot, a dolt, a...
6Latinacinusa berry, especially the grape; the seed of a...
7Latinaciessharp edge or point; battle line; battle,...
8Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “dumbass

Every word from Proto-Indo-European deh₂-