Strong's G240 — ἀλλήλων (p/c)
allelon (al-lay'-lone) p/c.
1. one another
[genitive plural from G243 reduplicated]
KJV: each other, mutual, one another, (the other), (them-, your-)selves, (selves) together (sometimes with G3326 or G4314) 
Root(s): G243 
See also: G3326, G4314 
Hebrew root: ἄλλος
Occurrences: 100