recondite
/ɹɪˈkɒndaɪt/
noun
Meaning
A recondite (hidden or obscure) person or thing.
A scholar or other person who is recondite, that is, who has mastery over his or her field, including its esoteric minutiae.
verb
Meaning
To conceal, cover up, hide.
adjective
Meaning
Of areas of discussion or research: difficult, obscure.
(somewhat obsolete) Hidden or removed from view.