Where does “dummefejl” come from?

dummefejl (Danish) comes from Danish fejl, from Middle Low German feil, from French faille, from French faillir, from Middle French faillir, from Old French falir, from Vulgar Latin fallire, from Latin fallō — to bend; to lie, deceive.

dummefejl (Danish): a mistake due to e.g. absentmindedness, tiredness or sloppiness rather than underlying weakness or ignorance

Definitions

  1. a mistake due to e.g. absentmindedness, tiredness or sloppiness rather than underlying weakness or ignorance

Ancestry of “dummefejl”, step by step

dummefejl traces back through two separate lines of ancestry.

via Danish fejl

StepLanguageWordMeaning
1Danishfejlwrong; wrongly, erroneously, mis-; mistake, error
2Middle Low Germanfeil
3Frenchfaillefault; flaw; third-person singular present...
4Frenchfaillirto almost do something; to fail; to go bankrupt
5Middle Frenchfaillirto fail
6Old Frenchfalirto fail; to err; to make a mistake
7Vulgar Latinfallire
8Latinfallōto deceive, beguile, trick, cheat, delude, ensnare, disappoint
9Proto-Indo-Europeanǵʰwel-to bend; to lie, deceive

via Danish dum

StepLanguageWordMeaning
1Danishdumstupid, dense, dumb, thick, dim; foolish, silly,...
2Germandummdumb, stupid
3Middle High Germantump
4Old High Germantumbdumb; stupid
5Proto-West Germanicdumbdumb, mute
6Proto-Germanicdumbazdumb, mute, unable to speak
7Proto-Indo-Europeandʰewbʰ-deep
8Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European ǵʰwel-