Strong's G4933 — συντηρέω (verb)
suntereo (soon-tay-reh'-o) v.
1. to keep closely together
2. (by implication) to conserve (from ruin)
3. (mentally) to remember (and obey)
[from G4862 and G5083]
KJV: keep, observe, preserve 
Root(s): G4862, G5083 
Hebrew root: τηρέω
Occurrences: 3