Recondite (rkndt or rkndt;277), a.
Etymology: [L. reconditus, p. p. of recondere to put up again, to lay up, to conceal; pref. re- re- + condere to bring or lay together. See Abscond.]
1. Hidden from the mental or intellectual view; secret; abstruse; as, recondite causes of things.
2. Dealing in things abstruse; profound; searching; as, recondite studies. "Recondite learning." Bp. Horsley.
Shades of meaning
Fernald has no entry of its own for recondite; he lists it under mysterious.
Where he writes about it:
That is mystic or mystical which has associated with it some hidden or recondite meaning, especially of a religious kind; as, the mystic Babylon of the Apocalypse. — from mysterious