Arcana
Arcana is a noun that refers to secrets and mysteries. Our word of the day comes almost directly from the latin word arcanus (are CAY noose) which means ‘to shut up.’ The word first came to refer to knowledge known only to a few. With arcana, it retains this same basic meaning. There is much arcana in the secrets found in that tomb. Even to this day, the information remains a mystery to most people.