Where does “Reinheitsgrad” come from?

Reinheitsgrad (German) comes from German Reinheit, 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.

Reinheitsgrad (German): grade / degree of purity

Definitions

  1. grade / degree of purity

Ancestry of “Reinheitsgrad”, step by step

Reinheitsgrad traces back through two separate lines of ancestry.

via German Reinheit

StepLanguageWordMeaning
1GermanReinheitpurity
2GermanReinpure, clear, plain
3Middle High Germanreine
4Old High Germanreini
5Proto-West Germanichrainīclean; pure
6Proto-Germanichrainizclean, not dirty; pure; innocent
7Proto-Indo-Europeankróy-n-is
8Proto-Indo-Europeankrey-to sift, separate, divide

via German grad

StepLanguageWordMeaning
1GermangradAlternative form of gerade
2Frenchgraderank; gradian
3Latingradusa step, pace; a stage, degree; a rank
4Proto-Italicgraðus
5Proto-Indo-Europeangʰradʰ-
Every word from Proto-Indo-European krey-Every word from Proto-Indo-European króy-n-isEvery word from Proto-Germanic hrainiz