An Etymological Dictionary of the German Language/Annotated/Schlucht

by Friedrich Kluge

Schlucht, feminine, ‘ravine, gorge,’ Modern High German only, formed from Low German, for earlier Modern High German and High German Schluft; for Low German cht, representing High German ft, see sacht, beschwichtigen, and Nichte. Middle High German (rare) sluft, ‘ravine,’ belongs to the Teutonic root slū̆p, ‘to' slip,’ discussed under Schleife.