German

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Etymology

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melken (to milk) +‎ Kuh (cow)

Noun

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Melkkuh f (genitive Melkkuh, plural Melkkühe)

  1. (idiomatic) cash cow

Declension

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Further reading

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  • Melkkuh” in Digitales Wörterbuch der deutschen Sprache
  • Melkkuh” in Duden online