Where does “heartlessly” come from?

heartlessly (English) comes from English heartless, from Middle English hertles, from Old English heortlēas, from Old English -lēas, from Proto-West Germanic *-laus, from Proto-Germanic -lausaz, from Proto-Germanic lausaz, from Proto-Indo-European lewH- — louse.

heartlessly (English): In a heartless manner

Definitions

  1. In a heartless manner

Ancestry of “heartlessly”, step by step

StepLanguageWordMeaning
1EnglishheartlessWithout courage; fearful, cowardly; Listless,...
2Middle EnglishhertlesHaving no bravery or showing cowardice; fearful;...
3Old Englishheortlēaswithout courage; listless
4Old English-lēas-less
5Proto-West Germanic*-lauswithout, -less
6Proto-Germanic-lausaz-less, lacking, devoid of
7Proto-Germaniclausazloose, free; empty, devoid; false, untrue
8Proto-Indo-EuropeanlewH-louse
Every word from Proto-Indo-European lewH-Every word from Proto-Germanic lausazEvery word from Old English -lēas