Strong's G1273 — διανυκτερεύω (verb)
dianuktereuo (dee-an-ook-ter-yoo'-o) v.
1. to sit up the whole night
[from G1223 and a derivative of G3571]
KJV: continue all night 
Root(s): G1223, G3571 
Hebrew root: νύξ
Occurrences: 1