Where does “Läuse” come from?

Läuse (German) comes from Middle High German lūs, from Old High German lūs, from Proto-West Germanic lus, from Proto-Germanic lūs, from Proto-Indo-European lewH- — louse.

Ancestry of “Läuse”, step by step

StepLanguageWordMeaning
1Middle High Germanlūsa louse
2Old High Germanlūs—
3Proto-West Germanicluslouse
4Proto-Germaniclūslouse
5Proto-Indo-EuropeanlewH-louse

Words derived from “Läuse”

Every word from Proto-Indo-European lewH- →Every word from Proto-Germanic lūs →Every word from Proto-West Germanic lus →