An Etymological Dictionary of the German Language, R (1891)
by Friedrich Kluge, translated by John Francis Davis
Ruck
Friedrich Kluge2510787An Etymological Dictionary of the German Language, R — Ruck1891John Francis Davis

Ruck, m., ‘jerk, tug,’ from MidHG. ruc (gen. ruckes), OHG. ruc (gen. rucches), m., ‘sudden motion, jerk.’—