arcanum arcanorum

noun arcanum ar·ca·no·rum \-nəˌmärkəˈnōrəm\

Definition of arcanum arcanorum

  1. :  the mystery of mysteries; specifically :  the one ultimate secret supposed to lie behind all astrology, alchemy, and magic

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Origin and Etymology of arcanum arcanorum

New Latin

Seen and Heard

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a trip made at another's expense

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