Strong's G4521 — σάββατον (noun)
sabbaton (sab'-bat-on) n.
1. the Sabbath (i.e. Shabbath)
2. a day of weekly repose from secular avocations
3. the observance or institution itself
4. (by extension) a week, i.e. the interval between two Sabbaths
5. likewise the plural in all the above applications
[of Hebrew origin (H7676)]
KJV: sabbath (day), week 
Root(s): H7676 
Hebrew root: שַׁבָּת
Occurrences: 68