What is the meaning of the word "sabbatical"?

Sabbaticals are most commonly associated with academic institutions, but they are also found in other sectors as part of an organization's effort to support employee growth and well-being.

Definitions:

A period of paid or unpaid leave granted to a university teacher or other worker for study or travel, traditionally one year for every seven years worked. NOUN
- During her sabbatical, the architect decided to explore her passion for sustainable building practices, traveling to different countries to study innovative design techniques firsthand.
Of or appropriate to the Sabbath. ADJECTIVE
- Friday is a sabbatical day for Muslims
Relating to a sabbatical. ADJECTIVE
- sabbatical research project