Abbott-Smith Manual Greek Lexicon
ἀπο-κρύπτω (G613)
4 ἀπο-κρύπτω , [in LXX chiefly for סתר ;] to hide , conceal , keep secret : c. acc., Lk 10:21 ; pass., I Co 2:7 , Eph 3:9 , Col 1:26 (MM, s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain