#2578 κάμπτω kampto {kamp'-to}

 apparently a primary verb; TDNT - 3:594,413; v

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

 1) to bend, bow, the knee (the knees)
    1a) to one
        1a1) in honour of one
        1a2) in religious veneration
    1b) used of worshippers
 2) to bow one's self

—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 - bow 4; 4

—Exhaustive Concordance (KJV Translation Frequency & Location)