Where does “Frühlings-Tagundnachtgleiche” come from?

Frühlings-Tagundnachtgleiche (German) comes from German Tagundnachtgleiche, from German und, from Middle High German unde, from Old High German unti, from Proto-Germanic andi, from Proto-Indo-European h₂énti, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent- — on, onto.

Frühlings-Tagundnachtgleiche (German): spring equinox, vernal equinox

Definitions

  1. spring equinox, vernal equinox

Ancestry of “Frühlings-Tagundnachtgleiche”, step by step

Frühlings-Tagundnachtgleiche traces back through two separate lines of ancestry.

via German Tagundnachtgleiche

StepLanguageWordMeaning
1GermanTagundnachtgleicheequinox
2Germanundand; so?, now?, and?
3Middle High Germanunde—
4Old High Germanuntiand
5Proto-Germanicandiin addition, furthermore, and
6Proto-Indo-Europeanh₂éntiopposite; near; in front
7Proto-Indo-Europeanh₂éntsforehead; front
8Proto-Indo-Europeanh₂ent-face; forehead; front
9Proto-Indo-Europeanh₂en-on, onto

via German Frühling

StepLanguageWordMeaning
1GermanFrühlingspring
2Germanfrühearly
3Middle High Germanvrüe—
4Old High Germanfruoiid
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European h₂en- →Every word from Proto-Indo-European h₂ent- →Every word from Proto-Indo-European h₂énts →