Where does “Irrenarzt” come from?

Irrenarzt (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.

Irrenarzt (German): shrink

Definitions

  1. shrink

Ancestry of “Irrenarzt”, step by step

Irrenarzt 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 Irrer

StepLanguageWordMeaning
1GermanIrrera mentally ill man, lunatic
2Germanirrecrazy, insane, mad, mental; crazy, incredible,...
3Old High Germanirriconfused
Every word from Sumerian ? →Every word from Proto-Germanic arud- →Every word from Proto-Germanic aruts →