Abbott-Smith Manual Greek Lexicon
συν-μαθητής (G4827)
1 * συν-μαθητής (Rec. συμμ- ), -οῦ, ὁ a fellow-disciple : Jo 11:16 (on the use of συν- in such compounds as this, v. Rutherford, NPhr. , 255 f.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain