Where does “careles” come from?

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

Ancestry of “careles”, step by step

StepLanguageWordMeaning
1Old Englishcarlēascareless, reckless, void of care, free from care,...
2Old English-lēas-less
3Proto-West Germanic*-lauswithout, -less
4Proto-Germanic-lausaz-less, lacking, devoid of
5Proto-Germaniclausazloose, free; empty, devoid; false, untrue
6Proto-Indo-EuropeanlewH-louse

Words derived from “careles”

Every word from Proto-Indo-European lewH- →Every word from Proto-Germanic lausaz →Every word from Old English -lēas →