#0945 βατταλογέω battologeo {bat-tol-og-eh'-o}

 from Battos (a proverbial stammerer) and G3056; TDNT - 1:597,103; v

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

 1) to stammer
 2) to repeat the same things over and over, to use many idle
    words, to babble, prate. Some suppose the word derived from
    Battus, a king of Cyrene, who is said to have stuttered;
    others from Battus, an author of tedious and wordy poems.

—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 - use vain repetitions 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)