An Etymological Dictionary of the German Language/Annotated/Bulge

by Friedrich Kluge

Bulge (Swiss, also Bulgge), feminine, ‘leather water-pail,’ from Middle High German bulge, Old High German bulga, ‘leather bag’; Middle English and English bilğe, bulğe, from *bylčğe. The cognates are allied to Balg (Gothic balgs, ‘leather bottle, bag’), Middle Latin bulga.