#3645 כְּמוֹשׁ K@mowsh {kem-oshe'}
     or (Jer. 48:7) כְּמִישׁ K@miysh {kem-eesh'}

 from an unused root meaning to subdue; TWOT - n/a; n pr dei

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

 Chemosh = "subduer"
 1) the national deity of the Moabites and a god of the Ammonites
    1a) also identified with 'Baal-peor', 'Baal-zebub', 'Mars' and
        'Saturn'
    1b) worship of this god was introduced into Jerusalem by Solomon
        and abolished by king Josiah of Judah

—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 - Chemosh 8; 8

—Exhaustive Concordance (KJV Translation Frequency & Location)