An Etymological Dictionary of the German Language/Annotated/zwicken

zwicken, verb, ‘to pinch, twitch, peg,’ from Middle High German zwicken, ‘to fasten with nails, squeeze in, pinch, tug,’ Old High German *zwicchên; compare Low German twikken, AB. twiččian, Middle English twicchen, English to twitch (see zwacken, Zweck).