In the Bible , the Greek term Î Î Î Î 1\/2 Ï Î 1\/2 Î Î is only used in the New Testament . It does not appear at all in the ancient Greek translation of the Old Testament known as the Septuagint . In the Bible , the Greek term Î Î Î Î 1\/2 Ï Î 1\/2 Î Î ( koinonia ) is an exclusively New Testament term , appearing nowhere in the ancient Greek translation of the Old Testament known as the Septuagint .