term:

Accrual

accrual n

1 : the action or process of accruing [claim must be brought within two years of the date of ]
2 a : something that accrues
;esp
: an amount of money that periodically accumulates for a specific purpose (as payment of taxes or interest)
b : something that has accrued during a specified period

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.