arcanum (often pl. arcana) - n., a secret, mystery, specialized knowledge only accessible or possessed by the initiate.
Sometimes, specifically, what the alchemists sought. Adjectival form is arcane. From Latin, from arcanus, closed, secret, from arca, chest, box, from arcere, to shut in.
---L.
Sometimes, specifically, what the alchemists sought. Adjectival form is arcane. From Latin, from arcanus, closed, secret, from arca, chest, box, from arcere, to shut in.
---L.