Okay kiddo, let me explain what accrued jurisdiction means in a way you can understand.
Let's say you have a toy car and you want to race it with your friend. You both agree to start racing at 2 pm. However, your friend was running late and didn't show up until 2:30 pm. During the time your friend was running late, you were still playing with your toy car and having fun.
This is similar to accrued jurisdiction. It means that even though two parties agreed to start a legal case at a certain time, if one party is unable to be there, the court can still go ahead and hear the case based on the information they have already gathered.
Let's say two people got into a car accident and agreed to go to court at a certain time. However, one of the parties didn't show up because they were sick. The court might still be able to hear the case based on the evidence and information they have already gathered, even though the other party isn't there.
So, accrued jurisdiction is like the court's way of keeping things moving forward, even if one party can't make it to the hearing for some reason.