pum·per·nick·el
noun/ˈpʌmpənɪkl/
/ˈpʌmpərnɪkl/
[uncountable] (from German)- a type of heavy dark brown bread made from rye, originally from Germany and often sold in slices
黑麦粗面包（源于德国，常切片出售） Oxford Collocations DictionaryPumpernickel is used before these nouns:- bread
Word Originmid 18th cent.: transferred use of German Pumpernickel ‘lout, bumpkin’, of unknown ultimate origin.