This is the 1278th most frequent Korean word.
과거의
"Of the past" or "past."
Here, '과거의' is used as an adjective meaning 'of the past,' describing '경험' (experiences).
과거의 경험은 현재를 형성합니다.
Past experiences shape the present.
In this sentence, '과거의' modifies '실수' (mistakes) to indicate mistakes that occurred in the past.
그는 과거의 실수를 반성하고 있어요.
He is reflecting on past mistakes.
Here, '과거의' is describing '영광' (glory), denoting the glory that belongs to the past.