Where does “gleichseitig” come from?

gleichseitig (German) comes from German Seite, from German -ig, from German -jährig, from German Jahr, from Middle High German jār, from Old High German jār, from Proto-West Germanic jār, from Proto-Germanic jērą — year.

gleichseitig (German): equilateral

Definitions

  1. equilateral

Ancestry of “gleichseitig”, step by step

gleichseitig traces back through two separate lines of ancestry.

via German Seite

StepLanguageWordMeaning
1GermanSeiteside; face, side, surface of any...
2German-ig-y; forms adjectives from nouns; forms adjectives...
3German-jährigyears old; years lasting
4GermanJahryear
5Middle High Germanjāryear
6Old High Germanjāryear
7Proto-West Germanicjāryear
8Proto-Germanicjērąyear; name of the J-rune
9Proto-Indo-Europeanyeh₁r-year

via German gleich

StepLanguageWordMeaning
1Germangleichequal; same; very similar; same; identical
2Middle High Germangelīch—
3Old High Germangilīhequal
4Proto-West Germanicgalīkalike, similar
5Proto-Germanicgalīkazalike, similar; equal
6Proto-Indo-Europeanleyǵ-to bind, tie
Every word from Proto-Indo-European yeh₁r- →Every word from German -ig →Every word from Proto-Germanic jērą →