A.hidden, concealed, E.HF1070(lyr.); ἐν ἀποκρύφφ in secret, Hdt.2.35; “ἀ. θησαυροί” hidden, stored up, Ep.Col.2.3; underhand, “μηδὲν ἀ. πεποιῆσθαι” Vit.Philonid.p.2C.
2. c. gen., ἀπόκρυφον πατρός unknown to him, X.Smp.8.11.
II. obscure, recondite, hard to understand, Id.Mem.3.5.14; “γράμματα” Call.Fr.242; ἀ. σύμβολαδέλτων, of hieroglyphics, Hymn.Is.10; “στήλη” PMag.Par.1.1115; [βίβλος] PMag.Leid.W.25.14; “-κρύφων μύσται” Vett.Val.7.30; “ἀ. αἰτία” Procl.in Ti.1.53D., cf. eund.in Prm.p.549 S.