SABBATICAL

sabbatical

(adjective) of or relating to sabbatical leave; “sabbatical research project”

sabbatical, sabbatic

(adjective) of or relating to the Sabbath; “Friday is a sabbatical day for Muslims”

sabbatical, sabbatical leave

(noun) a leave usually taken every seventh year

Source: WordNet® 3.1

Etymology

Adjective

sabbatical (not comparable)

Relating to the Sabbath / sabbath.

Relating to a sabbatical.

Noun

sabbatical (plural sabbaticals)

An extended period of leave from a person's usual pursuits.

Adjective

Sabbatical (not comparable)

Relating to the Sabbath

Source: Wiktionary

Sab*bat"ic, Sab*bat"ic*al, a. Etym: [Gr. sabbatique.]

Definition: Of or pertaining to the Sabbath; resembling the Sabbath; enjoying or bringing an intermission of labor. Sabbatical year (Jewish Antiq.), every seventh year, in which the Israelites were commanded to suffer their fields and vineyards to rest, or lie without tillage.

Source: Webster’s Unabridged Dictionary 1913 Edition