Where does “Reaktorbau” come from?

Reaktorbau (German) comes from German Bau, from Middle High German bū, from Old High German bū, from Proto-Germanic būą — building, dwelling.

Reaktorbau (German): reactor construction

Definitions

  1. reactor construction

Ancestry of “Reaktorbau”, step by step

Reaktorbau traces back through two separate lines of ancestry.

via German Bau

StepLanguageWordMeaning
1GermanBaubuilding, construction; building site,...
2Middle High Germanbūbuilding
3Old High Germanbū—
4Proto-Germanicbūąbuilding, dwelling

via German Reaktor

StepLanguageWordMeaning
1GermanReaktorreactor
Every word from Proto-Germanic būą →Every word from Old High German bū →Every word from Middle High German bū →