Abbott-Smith Manual Greek Lexicon
γνησίως (G1104)
1 ** γνησίως , adv. , [in LXX: II Mac 14:8 , III Mac 3:23 * ;] sincerely, honourably : Phi 2:20 (for a parallel in π. , v. MM, s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain