#0302 אֲחִיתֹפֶל 'Achiythophel {akh-ee-tho'-fel}

 from H0251 and H8602; TWOT - n/a; n pr m

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

 Ahithophel = "my brother is foolish (folly)"
 1) a counsellor of David, grandfather of Bathsheba (cf 2Sa 11:3,
    23:34), who joined Absalom in revolt against David, and committed
    suicide when Absalom did not heed his counsel

—Brown-Driver-Briggs (Old Testament Hebrew-English Lexicon)

—Strong's (Hebrew & Chaldee Dictionary of the Old Testament)

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

 AV - Ahithophel 20; 20

—Exhaustive Concordance (KJV Translation Frequency & Location)