Where does “grottendoof” come from?

grottendoof (German) comes from German doof, from Low German doof, from Old Dutch dōf, from Proto-West Germanic daub, from Proto-Germanic daubaz, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

grottendoof (German): very stupid; idiotic

Definitions

  1. very stupid; idiotic

Ancestry of “grottendoof”, step by step

StepLanguageWordMeaning
1Germandoofstupid, dumb; boring, annoying
2Low Germandoofdeaf, dumb unable to speak
3Old Dutchdōfdeaf
4Proto-West Germanicdaubstunned; deaf
5Proto-Germanicdaubazstunned; deaf
6Proto-Indo-Europeandʰewbʰ-deep
7Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰewbʰ- →Every word from Proto-Germanic daubaz →