Sabbath (noun)

1. The seventh day of the week, observed as a day of rest and religious worship, especially by Jews and Christians.
2. A day of rest and religious worship kept by a person or community.

Origin:

Old english sæbbath, from late latin sabbatum, from greek sabbaton, from hebrew šabbāth "rest, sabbath".

Examples:

1. The Sabbath is observed on Saturday by Jews and Sunday by Christians.
2. He went to church on the Sabbath to fulfill his religious obligations.
3. They observed the Sabbath by not working or doing any unnecessary tasks.
4. The Sabbath is a day for rest and reflection in many religions.
5. The Sabbath laws prohibit certain activities on the holy day.