Strong's G3551 — νόμος (noun)
nomos (nom'-os) n.
1. law (through the idea of prescriptive usage)
2. (genitive case) regulation
3. (specially) of Moses (including the volume), also of the Gospel
4. (figuratively) a principle
[from a primary nemo "to parcel out" (especially food or grazing to animals)]
KJV: law 
Occurrences: 194