sprühen, vb., ‘to emit sparks, sparkle,’ firs recorded in ModHG., but MidHG. *sprüejen, OHG. *spruowen, are to be assumed. Its connection with MidHG. sprœwen, ‘to fly as dust,’ and ModHG. Spreu, leads to the root sprī̆w (sprō̆w), ‘to be scattered as dust'; see further spröde.