Where does “Weihnachtstag” come from?

Weihnachtstag (German) comes from German Weihnacht, from Middle High German wīhenaht, from Middle High German naht, from Old High German naht, from Proto-West Germanic naht, from Proto-Germanic nahts, from Proto-Indo-European nókʷts, from Proto-Indo-European negʷ- — bare, naked.

Weihnachtstag (German): one of the Twelve Days of Christmas

Definitions

  1. one of the Twelve Days of Christmas

Ancestry of “Weihnachtstag”, step by step

Weihnachtstag traces back through two separate lines of ancestry.

via German Weihnacht

StepLanguageWordMeaning
1GermanWeihnachtAlternative form of Weihnachten
2Middle High GermanwīhenahtChristmas
3Middle High Germannahtnight
4Old High Germannahtnight
5Proto-West Germanicnahtnight
6Proto-Germanicnahtsnight
7Proto-Indo-Europeannókʷtsnight
8Proto-Indo-Europeannegʷ-bare, naked

via German tag

StepLanguageWordMeaning
1Germantagsingular imperative of tagen
2Germanguten Taghello, good day, good afternoon
3Alemannic GermanTagday
4Middle High GermantacAlternative form of tag
5Old High Germantagday
6Proto-West Germanicdagday
7Proto-Germanicdagazday; name of the D-rune
8Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot
Every word from Proto-Indo-European negʷ-Every word from Proto-Indo-European nókʷtsEvery word from Proto-Germanic nahts