Where does “slæpleas” come from?

slæpleas (Old English) comes from Old English -lēas, from Proto-West Germanic *-laus, from Proto-Germanic -lausaz, from Proto-Germanic lausaz, from Proto-Indo-European lewH- — louse.

slæpleas (Old English): sleepless

Definitions

  1. sleepless

Ancestry of “slæpleas”, step by step

StepLanguageWordMeaning
1Old English-lēas-less
2Proto-West Germanic*-lauswithout, -less
3Proto-Germanic-lausaz-less, lacking, devoid of
4Proto-Germaniclausazloose, free; empty, devoid; false, untrue
5Proto-Indo-EuropeanlewH-louse
Every word from Proto-Indo-European lewH- →Every word from Proto-Germanic lausaz →Every word from Old English -lēas →