Strong's G4520 — σαββατισμός (noun)
sabbatismos (sab-bat-is-mos') n.
1. a "sabbatism"
2. (figuratively) the repose of Christianity (as a type of heaven)
[from a derivative of G4521]
KJV: rest 
Root(s): G4521 
Hebrew root: σάββατον
Occurrences: 1