arcane
adjectiveformal/ɐɾˈkɐnu/medium
ar·ca·no
Definition
Understood by few; mysterious or secret.
The wizard studied arcane texts of forgotten magic.
The process seemed arcane to outsiders.
Common collocations
arcane knowledgearcane ritualsarcane symbols
Etymology
Do latim 'arcanus', de 'arca' (caixa, cofre).