You know what it looks like… but what is it called?
TAKE THE QUIZ“its course”
The following 2 entries include the term its course.
let nature take its course
idiom: to allow something to happen without trying to control it
run its course
idiom—used to say that something begins, continues for a time, and then ends
Love words? Need even more definitions?
Merriam-Webster unabridged