What is Accrue?

Legal Definition
1. To be added as a matter of periodic gain or advantage, as interest on money.

2. To become a present and enforceable right or demand.
Legal Definition
Literally to grow to; as the interest accrues on the principal. Accruing costs are those which become due and are created after judgment of an execution.

2. – To accrue means also to arise, to happen, to come to pass; as the statute of limitations does not commence running until the cause of action has accrued. 1 Bouv. Inst. n. 861; 2 Rawle, 277; 10 Watts, 363; Bac. Abr. Limitation of Actions, D 3.
-- Bouviers Law Dictionary
Legal Definition
To grow to; to be added to; to attach itself to; as a subordinate or accessory claim or demand arises out of, and is joined to, its principal; thus, costs accrue to a judgment, and interest to the principal debt. The term Is also used of independent or original demands, and then means to arise, to happen, to come into force or existence; to vest; as In the phrase, "The right of action did not accrue within six years." Amy v. Dubuque, 98 U. S. 470, 476, 25 L. Ed. 228; Eislng v. Andrews, 66 Conn. 58, 33 Atl. 585, 50 Am. St. Rep. 75; Napa State Hospital v. Yuba County, 138 Cal. 378, 71 Pac. 450.
-- Black's Law Dictionary
Legal Definition
To accumulate and become a part of something, as accrued interest on a principal sum; to ripen or spring into existence, as a right of action. See 10 Watts (Pa.), 363.
-- Ballentine's Law Dictionary