Where does “Pflichtfach” come from?

Pflichtfach (German) comes from German fach, from Middle High German vach, from Old High German fah, from Proto-Germanic *fak, from Proto-Germanic faką, from Proto-Indo-European peh₂ǵ- — to attach.

Pflichtfach (German): compulsory course, required subject

Definitions

  1. compulsory course, required subject

Ancestry of “Pflichtfach”, step by step

Pflichtfach traces back through two separate lines of ancestry.

via German fach

StepLanguageWordMeaning
1Germanfachsecond-person singular imperative of fachen
2Middle High Germanvach-fold
3Old High Germanfahwall
4Proto-Germanic*fak
5Proto-GermanicfakąAn enclosed or defined space; division;...
6Proto-Indo-Europeanpeh₂ǵ-to attach

via German Pflicht

StepLanguageWordMeaning
1GermanPflichtduty
2Old High Germanpfliht
3Proto-West Germanicplihticare, maintenance, diligence; responsibility,...
4Proto-West Germanicplehanto stand up for; to be responsible for

Words derived from “Pflichtfach

Every word from Proto-Indo-European peh₂ǵ-Every word from Proto-Germanic fakąEvery word from Proto-Germanic *fak