Strong's G1997 — ἐπισυναγωγή (noun)
episunagoge (ep-ee-soon-ag-o-gay') n.
1. a complete gathering
2. (especially) a Christian meeting (reoccuring for worship)
[from G1996]
KJV: assembling (gathering) together 
Root(s): G1996 
Hebrew root: ἐπισυνάγω
Occurrences: 2