Korean grammar · Level 5
N에 걸쳐(서) · N에 걸친 N
Over N, across N — a span of time, space or rounds
Taught in Level 5, Unit 7: Mangwon is trending
change in a neighbourhood is measured in spans — over three years, across the whole alley, in two rounds of meetings. 동안 only says how long. 에 걸쳐 says the thing stretched across all of it, and it works for places and repeated rounds as well as for time.
Example
구청은 세 차례에 걸쳐 주민들의 의견을 들었다.
The district office heard residents' views on three separate occasions.

The full explanation is in the unit · part of the Level 5 Pass, opening soon · Level 5, Unit 7
Practise it in context · Level 5, Unit 7
Mangwon is trending
The rule with a table, Sori’s tips, practice that checks itself, a review room and a one-page cheat sheet.
See the unit preview →