Etymology

arcana

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Today it means: Specialized knowledge that is mysterious to the uninitiated. Full definition →

Latin arcānus
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The story

  1. Latin · derived fromarcānus“hidden, secret”
  2. English todayarcana

From Latin arcānus (“hidden, secret”), from arcēre (“to withhold”), arca (“a chest”).

Words from the same roots

Latinarcānus all →

arcane

Etymology from Wiktionary, CC BY-SA 4.0.