An Etymological Dictionary of the German Language, R (1891)
by Friedrich Kluge, translated by John Francis Davis
ruhen
Friedrich Kluge2510797An Etymological Dictionary of the German Language, R — ruhen1891John Francis Davis

ruhen, vb., ‘to rest, repose, be calm,’ from the equiv. MidHG. ruowen (râwên), OHG. ruowên (râwên); a denom. of Ruhe.