Abbott-Smith Manual Greek Lexicon
ἀγνωσία (G56)
2 ἀγνωσία , -ας, ἡ ( γινώσκω ), [in LXX: Jb 35:16 ( בְּלִי־דַּעַת ), Wi 13:1 , III Mac 5:27 *;] ignorance (opp. to γνῶσις ): I Co 15:34 , I Pe 2:15 (v. Hort in l.; MM, VGT , s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain