Abbott-Smith Manual Greek Lexicon
λεββαῖος (G3002)
1 (KJV) λεββαῖος , -ου, ὁ (on the derivation, v. Dalman, Words , 50; Swete, Mk. 3:18 ), Lebbæus : Mt 10:3 , Mk 3:18 (WH, mg.; Θαδδαῖος , q.v., Rec., WH, txt., RV, cf. WH, App. , 11, 24. In Lk 6:15 , Ac 1:13 , he is called Σίμων ὁ Ζηλωτής .)†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain