noun Date: 1599 a year of rest for the land observed every seventh year in ancient Judea, a leave often with pay granted usually every seventh year (as to a college professor) for rest, travel, or research
SABBATICAL YEAR
Meaning of SABBATICAL YEAR in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012