Where does “nyttårseftan” come from?

nyttårseftan (Norwegian Nynorsk) comes from Norwegian Nynorsk nyttår, from Norwegian Nynorsk ny, from Old Norse Nýr, from Proto-Germanic *niwjaz, from Proto-Indo-European néwyos, from Proto-Indo-European néwos, from Proto-Indo-European new- — new; to nod, assent to.

nyttårseftan (Norwegian Nynorsk): New Year's Eve, December 31st

Definitions

  1. New Year's Eve, December 31st

Ancestry of “nyttårseftan”, step by step

nyttårseftan traces back through two separate lines of ancestry.

via Norwegian Nynorsk nyttår

StepLanguageWordMeaning
1Norwegian Nynorsknyttårnew year
2Norwegian Nynorsknynew
3Old NorseNýrname of a dwarf
4Proto-Germanic*niwjaz—
5Proto-Indo-EuropeannéwyosAlternative form of *néwos; new
6Proto-Indo-Europeannéwosnew
7Proto-Indo-Europeannew-new; to nod, assent to

via Norwegian Nynorsk eftan

StepLanguageWordMeaning
1Norwegian NynorskeftanAlternative form of aftan; evening
2Norwegian Nynorskaftanevening
3Old Norseaptannan evening
4Proto-Germanicēbanþsevening
5Proto-Indo-Europeanh₁epion, at, near
6Proto-Indo-Europeanh₁eps—
Every word from Proto-Indo-European new- →Every word from Proto-Indo-European néwos →Every word from Proto-Indo-European néwyos →