to, toward
에 is used mainly with the verbs 가다 (to go), 오다 (to come), 다니다 (to attend/commute), 돌아가다 (to return), 도착하다 (to arrive), 올라가다 (to go up), and 내려가다 (to go down). It expresses the direction in which a particular behavior proceeds. It corresponds to ''to'' in English.
When used with verbs of movement, it express the direction of the action.
10 more sentences in the app — free account.