German

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Etymology

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From Achse (axis) +‎ Nagel (nail).

Noun

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Achsnagel m (strong, genitive Achsnagels, plural Achsnägel)

  1. linchpin
    Synonym: Lünse

Declension

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Further reading

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