This is the 4834th most frequent Korean word.
과거에도
"과거에도" means "in the past as well" or "even in the past."
In this sentence, '과거에도' is used as an adverbial phrase meaning 'even in the past', showing that the difficulties were present in earlier times.
그는 과거에도 많은 어려움을 겪었다.
He faced many difficulties even in the past.
Here, '과거에도' is used to emphasize that the cooperation extended into previous periods, indicating continuity.
과거에도 우리는 긴 시간 동안 함께 일했었다.
Even in the past, we worked together for a long time.
The term '과거에도' is employed to underline that efforts for progress existed historically as well as possibly in the present.