Where does “stubenrein” come from?

stubenrein (German) comes from German Rein, from Middle High German reine, from Old High German reini, from Proto-West Germanic hrainī, from Proto-Germanic hrainiz, from Proto-Indo-European króy-n-is, from Proto-Indo-European krey- — to sift, separate, divide.

stubenrein (German): house-trained, house-broken

Definitions

  1. house-trained, house-broken

Ancestry of “stubenrein”, step by step

stubenrein traces back through two separate lines of ancestry.

via German Rein

StepLanguageWordMeaning
1GermanReinpure, clear, plain
2Middle High Germanreine
3Old High Germanreini
4Proto-West Germanichrainīclean; pure
5Proto-Germanichrainizclean, not dirty; pure; innocent
6Proto-Indo-Europeankróy-n-is
7Proto-Indo-Europeankrey-to sift, separate, divide

via German stuben

StepLanguageWordMeaning
1Germanstubenroom
Every word from Proto-Indo-European krey-Every word from Proto-Indo-European króy-n-isEvery word from Proto-Germanic hrainiz