This is the 19574th most frequent Korean word.
어딘가에서
"어딘가에서" means "somewhere."
Here, '어딘가에서' specifies an unspecified location.
어젯밤 어딘가에서 이상한 소리가 들렸어요.
Last night, I heard a strange sound coming from somewhere.
Here, '어딘가에서' indicates a place he's staying but isn't specified.
그는 친구를 찾으려고 어딘가에서 기다리고 있었어요.
He was waiting somewhere, hoping to find his friend.
In this sentence, '어딘가에서' is used metaphorically to indicate a potential source or location of a solution.