The broader meaning of sabbatical refers to a period of time during which someone does not work at his or her regular job and is able to rest, travel, do research, etc.
A change from a regular routine.
In the ancient Greek Sabbatical is related to the Sabbath, to rest.
We trace the origins of both sabbatical and Sabbath to the Greek word sabbaton. Sabbaton itself traces to the Hebrew word shabbāth, meaning “rest.”
A sabbatical (from Hebrew: shabbat (שבת) (i.e., Sabbath), in Latin: sabbaticus, in Greek: sabbatikos (σαββατικός)) is a rest or break from work