Dictionary entry

Θαδδαῖος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament with Strong's

Θαδδαῖος, -ου, ὁ (Aram. תַּדִאַי, תַּדַּי),

Thaddæus: Mt 10:3, Mk 3:18 (WH, mg., Λεββαῖος, q.v.).†