This is the 5193rd most frequent Korean word.
다니던
"다니던" means "used to attend" or "used to go to," referring to a place someone regularly went to in the past.
Here, '다니던' is used to describe the school the speaker used to attend, relating to past habitual actions or states.
내가 고등학생 때 다니던 학교는 지금은 없어졌다.
The school I used to attend as a high school student no longer exists.
In this sentence, '다니던' refers to the past workplace of the subject, indicating a place they used to be associated with.
그가 다니던 회사에서 좋은 기회를 많이 얻었다고 들었어요.
I heard he got many good opportunities at the company he used to work for.
Here, '다니던' is employed to indicate a place the speakers used to visit frequently, emphasizing the regularity of those visits.