recondite
adjective /ˈrekəndaɪt/
/ˈrekəndaɪt/
(formal)- not known about or understood by many people synonym obscure
- a recondite subject
Word Originmid 17th cent.: from Latin reconditus ‘hidden, put away’, past participle of recondere, from re- ‘back’ + condere ‘put together, secrete’.