Abbott-Smith Manual Greek Lexicon
σύσ-σημον (G4953)
1 † σύσ-σημον (T, συν- ), -ου, τό ( σῆμα ), [in LXX: Jg 20:38 , 40 ( מַשְׂאֵת ), Is 5:26 49:22 62:10 ( נֵס ) * ;] a fixed sign or signal : Mk 14:44 . (Strab., Plut., al.; condemned by Atticists, v. Rutherford, NPhr. , 492 f.) †
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain