This is the 13403rd most frequent Korean word.
떠나고
"떠나고" means "leaving" or "departing."
Here, "떠나고" is used to express the desire to leave or depart from a location.
나는 이 도시를 떠나고 싶어요.
I want to leave this city.
"떠나고" in this context indicates the completion of leaving before performing another action.
그 친구는 이미 떠나고 다른 곳으로 갔어요.
That friend has already left and moved to another place.
"떠나고" here is part of a sequence of actions, meaning to leave and then proceed to do something.