Where does “zenithally” come from?

zenithally (English) comes from English zenithal, from English zenith, from Middle English cenyth, from Medieval Latin cenit, from Arabic سَمْت, from Aramaic סֵימִטָא, from Latin sēmita, from Proto-Italic sēmitā.

zenithally (English): In terms of or by means of the zenith

Definitions

  1. In terms of or by means of the zenith

Ancestry of “zenithally”, step by step

zenithally traces back through two separate lines of ancestry.

via English zenithal

StepLanguageWordMeaning
1EnglishzenithalOf or pertaining to a zenith; azimuthal
2EnglishzenithThe point in the sky vertically above a given...
3Middle Englishcenythzenith
4Medieval Latincenitzenith
5Arabicسَمْتdirection, path
6Aramaicסֵימִטָא
7Latinsēmitanarrow way, footpath, path, pathway
8Proto-Italicsēmitā
9Proto-Indo-Europeanswé(d)

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European swé(d)Every word from Proto-Italic sēmitāEvery word from Latin sēmita