Strong's G4900 — συνελαύνω (verb)
sunelauno (soon-el-au'-no) v.
1. to drive together
2. (figuratively) exhort (to reconciliation)
[from G4862 and G1643]
KJV: + set at one again 
Root(s): G4862, G1643 
Hebrew root: ἐλαύνω
Occurrences: 1