Origin: Ger < katze, cat + jammer, woe < OHG jamar, orig. adj., sad, akin to OE geomor, miserable: katzenjammersense infl. by U.S. cartoon strip (The Katzenjammer Kids), originated (1897) by R. Dirks
See katzenjammer in American Heritage Dictionary 4
Origin: German, hangover
Origin: : Katzen
Origin: , pl. of Katze, cat (from Middle High German katze, from Old High German kazza; akin to Old English catt; see Cat )
Origin: + Jammer, wailing (from Middle High German jāmer, from Old High German jāmar, misery).