Where does “helligdag” come from?

helligdag (Danish) comes from Danish hellig, from Old Norse heilagr, from Proto-Germanic hailagaz, from Proto-Germanic hailaz, from Proto-Indo-European *kéh₂ilos — healthy.

helligdag (Danish): holiday

Definitions

  1. holiday

Ancestry of “helligdag”, step by step

helligdag traces back through two separate lines of ancestry.

via Danish hellig

StepLanguageWordMeaning
1Danishhelligholy, sacred
2Old Norseheilagrholy; inviolable, sacred
3Proto-Germanichailagazholy, sacred
4Proto-Germanichailazwhole, unbroken, intact; entire, complete; hale,...
5Proto-Indo-European*kéh₂iloshealthy

via Danish dag

StepLanguageWordMeaning
1Danishdagday
2Old Danishdagh—
3Old Norsedagra day; days, times
4Proto-Germanicdagazday; name of the D-rune
5Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot
Every word from Proto-Indo-European *kéh₂ilos →Every word from Proto-Germanic hailaz →Every word from Proto-Germanic hailagaz →