This is the 365th most frequent Korean word.
끝에
"끝에" means "at the end" or "after."
Here, '끝에' is used to indicate a culmination after a process or period of time.
긴 고민 끝에 결정을 내렸습니다.
After a long thought, I made a decision.
In this sentence, '끝에' refers to a physical end point of a location or an object.
산 정상 끝에 작은 사원이 있다.
At the end of the mountain peak, there is a small temple.
This usage of '끝에' describes achieving something as a result of dedicated effort over a period of time.