Etymology Explorer › English

Where does “louse” come from?

Louse comes from Middle English lows, from Old Norse lauss, from Proto-Germanic lausaz, from Proto-Indo-European lewH-.

louse (English): A small parasitic wingless insect of the order...

Definitions

  1. A small parasitic wingless insect of the order...

Ancestry of “louse”, step by step

StepLanguageWordMeaning
1Middle Englishlouslouse; A person or thing worthy of contempt or...
2Old Englishlūs—
3West Germanic*lūs—
4Germanic*lūs—
5Proto-Indo-EuropeanlewH-louse

Words derived from “louse”

  • woodlouse
  • lousewort
  • delouse
  • louseborne
  • delouser
  • louselike
  • booklouse
  • pricklouse
  • lousicide
  • louse-ridden
  • laŭso
  • laus
Every word from Proto-Indo-European lewH- →