an established custom in English:

be wont to do something

We were wont to meet at that pleasant spot.

I won’t mislead you, I won’t betray you, I won't shirk!

Again, the toddler says, "no, I won't" as he is wont to do.

If you’ve only slept for three hours, you certainly won’t do well in the exam.

One won’t hear much music in that pub.