#5151 נַחוּם Nachuwm {nakh-oom'}

 from H5162; TWOT - n/a; n pr m

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

 Nahum = "comfort"
 1) the Elkoshite, prophet who predicted the fall and destruction of
    Nineveh; writer of the book by his name; personal history and
    situation unknown

—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 - Nahum 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)