Recur (verb)

1. To happen again or return after an interval.
2. To occur repeatedly or periodically.
3. To come back to one's mind or attention.

Origin:

The word "recur" comes from the latin word "recurrere" which means "to run back" or "to come back" which came into use in the late 16th century. it is used to describe the act of happening again or returning after an interval.

Examples:

1. The problem recurs every month.
2. The nightmare recurred last night.
3. The thought recurred to him many times.
4. The event recurs every year.
5. The symptoms recur after treatment.