σάββατον
savbbaton
sabbaton
{sab'-bat-on}
of Hebrew origin (7676); the Sabbath (i.e. Shabbath), or day of weekly repose from secular avocations (also the observance or institution itself); by extension, a se'nnight, i.e. the interval between two Sabbaths; likewise the plural in all the above applications:--sabbath (day), week.
See H07676.