The phrase "accrued leave" refers to the amount of paid time off that an employee has earned, but has not used yet. It is like a bank of days off that you can use in the future for vacations or personal reasons. Full definition
The UK government, building on the arguments deployed in Stringer, suggested that in view of the health and safety objectives of the WTD, it made no sense at all to allow workers on sick leave to accrue annual leave and there should therefore be no question of compensating such workers for accrued leave at the end of an employment relationship. (newlawjournal.co.uk)
A proposed stadium redevelopment in the mid-1970s was only partially completed, late and over-budget and the debts the club accrued left them in a dangerous position. (latestchelseanews.com)
Rather than accruing leave days for each pay period, postdocs receive each year's leave as a lump sum on 1 January and may use it, subject to their PI's approval, during the next 12 months. (sciencemag.org)