Where does “juldag” come from?

juldag (Swedish) comes from Swedish jul, from Swedish juli, from Latin Iūlius, from Latin iuppiter, from Proto-Italic djous patēr, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws — to be bright; sky, heaven.

juldag (Swedish): Christmas Day

Definitions

  1. Christmas Day

Ancestry of “juldag”, step by step

juldag traces back through two separate lines of ancestry.

via Swedish jul

StepLanguageWordMeaning
1SwedishjulChristmas; July; Abbreviation of juli
2SwedishjuliJuly
3LatinIūliusOf the gens Julia, a patrician Roman family
4LatiniuppiterJupiter god of the sky and ruler of the Roman pantheon
5Proto-Italicdjous patērJupiter
6Proto-Italic*djous
7Proto-Indo-Europeandyḗwssky, heaven; sky god
8Proto-Indo-Europeandyéwssky, heaven
9Proto-Indo-Europeandyew-to be bright; sky, heaven

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
Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European dyéwsEvery word from Proto-Indo-European dyḗws
juldag — Etymology, Origin & Word History | Etymology Explorer