This is the 328th most frequent Korean word.
걸쳐
"걸쳐" means "to span," "to cover," or "to wear over."
In this sentence, "걸쳐" refers to something spreading or stretching over an area.
그는 높은 산을 넘어 걸쳐 있는 구름을 보았다.
He saw clouds that stretched across the high mountain.
Here, "걸쳐" describes an action or state spanning a period of time.
파티는 밤새 걸쳐 열렸다.
The party continued throughout the night.
In this context, "걸쳐" means to drape or place something lightly over something else.