sabbatic

adjective

1. of or pertaining or appropriate to the Sabbath.
2. (lowercase) of or relating to a sabbatical year.
3. (lowercase) bringing a period of rest.

noun

4. (lowercase) sabbatical year.
5. (lowercase) any extended period of leave from one’s customary work, especially for rest, to acquire new skills or training, etc.

adjective

1. denoting a period of leave granted to university staff, teachers, etc, esp approximately every seventh yeara sabbatical year; sabbatical leave
2. denoting a post that renders the holder eligible for such leave

noun

3. any sabbatical period

adjective Also: Sabbatic

1. of, relating to, or appropriate to the Sabbath as a day of rest and religious observance

noun

2. short for sabbatical year

adj.1640s, “of or suitable for the Sabbath,” from Latin sabbaticus, from Greek sabbatikos “of the Sabbath” (see Sabbath). Noun meaning “a year’s absence granted to researchers” (originally one year in seven, to university professors) is from 1934, short for sabbatical year, etc., first recorded 1886 (the thing itself is attested from 1880, at Harvard), related to sabbatical year (1590s) in Mosaic law, the seventh year, in which land was to remain untilled and debtors and slaves released.