Where does “høstjevndøgn” come from?

høstjevndøgn (Norwegian Bokmål) comes from Norwegian Bokmål høst, from English host, from Middle English host, from Old English hwōsta, from Proto-West Germanic hwōstō, from Proto-Germanic hwōstô, from Proto-Germanic hwōsaną, from Proto-Indo-European kʷeh₂s- — to cough.

høstjevndøgn (Norwegian Bokmål): southward equinox, September equinox, autumnal equinox

Definitions

  1. southward equinox, September equinox, autumnal equinox

Ancestry of “høstjevndøgn”, step by step

høstjevndøgn traces back through two separate lines of ancestry.

via Norwegian Bokmål høst

StepLanguageWordMeaning
1Norwegian Bokmålhøstautumn, or fall; imperative of høste
2EnglishhostOne which receives or entertains a guest,...
3Middle Englishhost
4Old Englishhwōstacough; a cough
5Proto-West Germanichwōstōcough
6Proto-Germanichwōstôcough
7Proto-Germanichwōsanąto cough
8Proto-Indo-Europeankʷeh₂s-to cough

via Norwegian Bokmål jevndøgn

StepLanguageWordMeaning
1Norwegian Bokmåljevndøgnan equinox
Every word from Proto-Indo-European kʷeh₂s-Every word from Proto-Germanic hwōsanąEvery word from Proto-Germanic hwōstô