Where does “Ruhrgebiet” come from?

Ruhrgebiet (German) comes from German gebiet, from Middle High German gebiet, from Middle High German gebieten, from Old High German gibiotan.

Ancestry of “Ruhrgebiet”, step by step

Ruhrgebiet traces back through two separate lines of ancestry.

via German gebiet

StepLanguageWordMeaning
1Germangebietarea, region
2Middle High Germangebiet—
3Middle High Germangebietento command
4Old High Germangibiotan—

via German Ruhr

StepLanguageWordMeaning
1GermanRuhrdysentery
Every word from Old High German gibiotan →Every word from Middle High German gebieten →Every word from Middle High German gebiet →