This is the 5548th most frequent Korean word.
몰려든
"몰려든" means "crowded in" or "flocked in."
The usage '몰려들어' indicates many people gathering together in unison to a specific location.
사람들이 몰려들어 공연장을 가득 채웠습니다.
The people flocked together and filled the concert hall.
Here, '몰려들어' shows birds coming together in a group, emphasizing their clustered movement.
새들이 몰려들어 나무 위에서 지저귀고 있었습니다.
Birds gathered together and chirped on the tree.
In this sentence, '몰려드는' signifies objects, specifically leaves, being pushed together by an external force, forming a collective movement.