Friedrich Kluge2506528An Etymological Dictionary of the German Language, B — Bügel1891John Francis Davis
Bügel, m., ‘curve, arc, guard (of a gun),’ ModHG. only, derived from biegen (OTeut. baug, ‘ring,’ corresponding to Hügel from OTeut. haug); comp. Du. beugel, ‘hoop, stirrup.’