Where does “luciadag” come from?

luciadag (Swedish) comes from Swedish Dag, from Old Swedish dagher, from Old Norse dagr, from Proto-Germanic dagaz, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.

luciadag (Swedish): Saint Lucy's Day, December 13

Definitions

  1. Saint Lucy's Day, December 13

Ancestry of “luciadag”, step by step

luciadag traces back through two separate lines of ancestry.

via Swedish Dag

StepLanguageWordMeaning
1SwedishDaga day
2Old Swedishdagherday
3Old Norsedagra day; days, times
4Proto-Germanicdagazday; name of the D-rune
5Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot

via Swedish Lucia

StepLanguageWordMeaning
1SwedishLuciaSaint Lucy / Saint Lucia (a female Sicilian martyr and saint celebrated on December 13 as the only saint to be celebrated in the otherwise Lutheran Scandinavia)
Every word from Proto-Indo-European dʰegʷʰ-Every word from Proto-Germanic dagazEvery word from Old Norse dagr