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