Where does “fladlus” come from?

fladlus (Danish) comes from Danish flad, from Old Norse flatr, from Proto-Germanic flataz, from Proto-Indo-European plÁt-.

fladlus (Danish): crab louse

Definitions

  1. crab louse

Ancestry of “fladlus”, step by step

fladlus traces back through two separate lines of ancestry.

via Danish flad

StepLanguageWordMeaning
1Danishfladflat; crestfallen; poor, feeble, insipid
2Old Norseflatrflat, level; flat, prostrate
3Proto-Germanicflatazflat
4Proto-Indo-EuropeanplÁt-—

via Danish lus

StepLanguageWordMeaning
1Danishluslouse
2Old Norselúslouse
3Proto-Germaniclūslouse
4Proto-Indo-EuropeanlewH-louse
Every word from Proto-Indo-European plÁt- →Every word from Proto-Germanic flataz →Every word from Old Norse flatr →