An Etymological Dictionary of the German Language/schüren

by Friedrich Kluge

schüren, vb., ‘to stir, poke,’ from MidHG. schürn, ‘to urge on, irritate, stir (the fire)’; allied to MidHG. schorn, ‘to sweep together,’ MidHG. schor, OHG. scora (Goth. skaúrô), ‘shovel.’