German

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Etymology

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haupt- +‎ Kerl

Noun

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Hauptkerl m (strong, genitive Hauptkerls, plural Hauptkerle)

  1. (dated) doer, go-getter (active and enterprising person)

Further reading

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