Strong's #3342: metaxu (pronounced met-ax-oo')
 from 3326 and a form of 4862; betwixt (of place or person); (of time) as adjective, intervening, or (by implication) adjoining:--between, mean while, next.
Thayer's Greek Lexicon:
 ́ 
 
  metaxu 
 
 1) between
 
 1a) meanwhile, in the mean time
 
 2) after, afterwards
 
  Part of Speech: verb
Relation: from G3326 and a form of G4862
 
Usage:
This word is used 9 times:
Matthew 18:15: "go and tell him his fault  between thee and him"
Matthew 23:35: "of Barachias, whom ye slew  between the temple and the"
Luke 11:51: "blood of Zacharias, which perished  between the altar and the"
Luke 16:26: "beside all this,  between us and you there is a great"
John 4:31: "In the  mean while his disciples prayed him, saying,"
Acts 12:6: "night Peter was sleeping  between two soldiers, bound"
Acts 13:42: "might be preached to them the  next sabbath."
Acts 15:9: "And put no difference  between us and them,"
Romans 2:15: "also bearing witness, and their thoughts  the mean while accusing or else excusing"