Where does “Braunerz” come from?

Braunerz (German) comes from German Erz, from Middle High German arze, from Old High German aruzzi, from Proto-Germanic aruts, from Proto-Germanic arud-, from Sumerian ? — copper.

Braunerz (German): limonite

Definitions

  1. limonite

Ancestry of “Braunerz”, step by step

Braunerz traces back through two separate lines of ancestry.

via German Erz

StepLanguageWordMeaning
1GermanErzore
2Middle High Germanarze—
3Old High Germanaruzzi—
4Proto-Germanicarutsore
5Proto-Germanicarud-—
6Sumerian?copper

via German Braun

StepLanguageWordMeaning
1GermanBraunbrown
2Old High Germanbrūnbrown
3Proto-West Germanicbrūnbrown
4Proto-Germanicbrūnazbrown
5Proto-Indo-EuropeanbʰerH-to pierce; to strike; brown
Every word from Sumerian ? →Every word from Proto-Germanic arud- →Every word from Proto-Germanic aruts →