Strong's Number 4521

Strong's Concordance - Greek #G4521

σάββατον sabbaton {sab'-bat-on} Of Hebrew origin [H7676]; the Sabbath (that is, Shabbath), or day of weekly repose from secular avocations (also the observance or institution itself); by extension a se'nnight, that is, the interval between two Sabbaths; likewise the plural in all the above applications.

Strong's Greek Bible Dictionary