Strong's #2280: Thaddaios (pronounced thad-dah'-yos)
of uncertain origin; Thaddaeus, one of the Apostles:--Thaddaeus.
Thayer's Greek Lexicon:
͂
Thaddaios
Thaddaeus = "large hearted, courageous"
1) one of the twelve apostles. From a comparison with the catalogue of apostles in Luke 6:16, and Acts 1:13, is seems that Judas, Lebbaeus and Thaddaeus were the same person, and the writer of the book of Jude.
Part of Speech: noun proper masculine
Relation: of uncertain origin
Usage:
This word is used 2 times:
Matthew 10:3: "and Lebbaeus whose surname was Thaddaeus;"
Mark 3:18: "the son of Alphaeus, and Thaddaeus, and Simon the Canaanite,"