An Etymological Dictionary of the German Language/Annotated/Saus
Saus, masculine, ‘buzz, bluster,’ from Middle High German sûs, masculine, ‘drinking, blustering, revelling and rioting’; even in Middle High German occurs in dem sûse lëben, ‘to revel and riot,’ literally ‘noisy doings’; compare Old Icelandic sús, ‘roar of the surf.’ —