An Etymological Dictionary of the German Language/Weck
Appearance
Weck, m., ‘wedge-shaped fine bread,’ from MidHG. węcke, OHG. węcki (from węggi), m., ‘wedge, wedge-shaped bread,’ corresponding to Du. weg, ‘fine white bread,’ AS. węcǧ, E. wedge, and the equiv. OIc. veggr. Teut. wagjo-, from pre-Teut. waghyo-, is usually regarded as primit. cognate with Lith. vagis, ‘wedge, plug.’ For the terms applied to pastry comp. Kipfel and Krapfe.