Strong's G1235 — διαγρηγορέω (verb)
diagregoreo (dee-ag-ray-gor-eh'-o) v.
1. to waken thoroughly
[from G1223 and G1127]
KJV: be awake 
Root(s): G1223, G1127 
Hebrew root: γρηγορεύω
Occurrences: 1