Where does “dumstrut” come from?

dumstrut (Swedish) comes from Swedish dum, from Old Swedish dumber, from Old Norse dumbr, from Proto-Germanic dumbaz, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

dumstrut (Swedish): a dunce cap

Definitions

  1. a dunce cap

Ancestry of “dumstrut”, step by step

dumstrut traces back through two separate lines of ancestry.

via Swedish dum

StepLanguageWordMeaning
1Swedishdumstupid, dumb; mean, cruel
2Old Swedishdumbermute, unable to speak; muffled; obtuse, blunt
3Old Norsedumbrdumb
4Proto-Germanicdumbazdumb, mute, unable to speak
5Proto-Indo-Europeandʰewbʰ-deep
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Swedish strut

StepLanguageWordMeaning
1SwedishstrutAn object shaped as a hollow, open cone; cornet;...
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Indo-European dʰewbʰ-Every word from Proto-Germanic dumbaz