Word: arcane
Phonetic:
/ɑɹˈkeɪn/
Listen:
Understood by only a few. Example: arcane rituals
(by extension) Obscure, mysterious. Example: arcane details
Requiring secret or mysterious knowledge to understand.
Extremely old (e.g. interpretation or knowledge), and possibly irrelevant. Example: An arcane law
You can find a list of possible crossword clues for ARCANE below.