Where does “træghed” come from?

træghed (Danish) comes from Danish hed, from Old Danish het, from Old Norse heitr, from Proto-Germanic haitaz, from Proto-Indo-European *keHy- — to heat.

træghed (Danish): inertia, inactivity/inactiveness

Definitions

  1. inertia, inactivity/inactiveness

Ancestry of “træghed”, step by step

træghed traces back through two separate lines of ancestry.

via Danish hed

StepLanguageWordMeaning
1Danishhedimperative of hedde; past tense of hedde
2Old Danishhet—
3Old Norseheitrhot
4Proto-Germanichaitazhot
5Proto-Indo-European*keHy-to heat

via Danish træg

StepLanguageWordMeaning
1Danishtrægsluggish
2Old Norsetregr—
3Proto-Germanictregôgrief, pain
4Proto-Indo-Europeandreǵʰ-to be unwilling, vexed
Every word from Proto-Indo-European *keHy- →Every word from Proto-Germanic haitaz →Every word from Old Norse heitr →