An Etymological Dictionary of the German Language/Annotated/Staub

by Friedrich Kluge

Staub, neuter, ‘dust, spray,’ from the equivalent Middle High German and Old High German stoup (genitive stoubes), masculine; also, by a different formation, Modern High German Gestüpp, Middle High German stüppe, Old High German stuppi, ‘dust,’ which, like Gothic stubjus, is connected with stieben, ‘to fly as dust, scatter.’