An Etymological Dictionary of the German Language/Scheuer
Scheuer, f. (in Bav. and East Suab. Stadel), ‘barn, shed,’ from the equiv. MidHG. schiure, OHG. sciura, f.; a derivative of OHG. scûr, MidHG. schûr, ‘penthouse, protection,’ ModHG. (dial.) Schauer. Comp. OIc. skjól, n., ‘place of refuge, shelter,’ skaunn, m., ‘shield.’ The Aryan root, skū̆, ‘to cover, protect’ (comp. Schaum), contained in these words, is widely diffused; comp. Lat. scûtum, ‘shield,’ Gr. σκῦ-λον, ‘armour,’ Lat. ob-scûr-rus, ‘dark’ (covered), and the Sans. root sku ‘to cover.’ See Scheune and Schote.