Where does “Einträchtigkeit” come from?

Einträchtigkeit (German) comes from German einträchtig, 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.

Einträchtigkeit (German): concord; harmony; unity

Definitions

  1. concord; harmony; unity

Ancestry of “Einträchtigkeit”, step by step

StepLanguageWordMeaning
1Germaneinträchtigharmonious, peaceful, united
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
Every word from Proto-Indo-European yeh₁r-Every word from German -igEvery word from Proto-Germanic jērą