Where does “Arztkoffer” come from?

Arztkoffer (German) comes from German Arzt, from Middle High German erze, from Old High German aruzzi, from Proto-Germanic aruts, from Proto-Germanic arud-, from Sumerian ? — copper.

Arztkoffer (German): black bag, medical bag

Definitions

  1. black bag, medical bag

Ancestry of “Arztkoffer”, step by step

Arztkoffer traces back through two separate lines of ancestry.

via German Arzt

StepLanguageWordMeaning
1GermanArztdoctor, physician
2Middle High Germanerze
3Old High Germanaruzzi
4Proto-Germanicarutsore
5Proto-Germanicarud-
6Sumerian?copper

via German koffer

StepLanguageWordMeaning
1Germankoffera case; a suitcase or briefcase
2Middle High Germankoffer
3Middle Dutchcoffer
4Old Frenchcofrechest
5LatincophinusA hamper, basket
6Ancient Greekκόφινοςbasket
Every word from Sumerian ?