Where does “гастарбайтер” come from?

гастарбайтер (Russian) comes from German Gastarbeiter, from German gaſt, from Middle High German gast, from Old High German gaſt, from Proto-West Germanic *gasti, from Proto-Germanic gastiz, from Proto-Indo-European gʰóstis, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

гастарбайтер (Russian): guest worker, migrant worker

Definitions

  1. guest worker, migrant worker

Ancestry of “гастарбайтер”, step by step

StepLanguageWordMeaning
1GermanGastarbeiterguest worker, migrant worker, foreign worker
2Germangaſtguest
3Middle High Germangast—
4Old High Germangaſtguest
5Proto-West Germanic*gastiguest
6Proto-Germanicgastizstranger, guest
7Proto-Indo-Europeangʰóstisstranger, host
8Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European -tis →Every word from Proto-Indo-European gʰóstis →Every word from Proto-Germanic gastiz →