An Etymological Dictionary of the German Language, Z (1891)
by Friedrich Kluge, translated by John Francis Davis
zerren
Friedrich Kluge2508740An Etymological Dictionary of the German Language, Z — zerren1891John Francis Davis

zerren, vb., ‘to tug, tease, worry,’ from MidHG. and OHG. zerren, wk. vb., ‘to tear, cleave’; from the same root as zehren.