Strong's H7677שַׁבָּתוֹן: a sabbatism or special holiday KJV:rest, sabbath.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 2323: שָׁבַתšābat — cease, desist, rest; cause to cease, put an end to, exterminate, destroy, cause to desist, remove, cause to fail; repose, desist from exertion; celebrate, keep, suffer to be lacking, leave, put away, rid, still, take away