#3921 παρεισδύ[ν]ω pareisduno {par-ice-doo'-no}

 from G3844 and a compound of G1519 and G1416; TDNT - n/a; v

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

 1) to enter secretly, slip in stealthily
 2) to steal in

—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 - creep in unawares 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)