#2972 Κῶς Kos {koce}

 of uncertain origin; TDNT - n/a; n pr loc

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

 Coos = "a public prison"
 1) a small island of the Aegean Sea, over against the cities of
    Cnidus and Halicarnassus, celebrated for its fertility and esp.
    for its abundance of wine and corn

—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 - Coos 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)