#2649 καταμαρτυρέω katamartureo {kat-am-ar-too-reh'-o}

 from G2596 and G3140; TDNT - 4:508,564; v

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) to bear witness against, to testify against one

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - witness against 4; 4

—Exhaustive Concordance (KJV Translation Frequency & Location)