#2594 καρτερέω kartereo {kar-ter-eh'-o}

 from a derivative of G2904 (transp.); TDNT - 3:617,417; v

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

 1) to be steadfast

—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 - endure 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)