This is the 4962nd most frequent Korean word.
그제
The Korean word "그제" means "the day before yesterday."
In this context, '그제야' means 'only then', emphasizing the moment of realization.
그제야 깨달았어요.
Only then did I realize.
Here, '그제' refers to 'the day before yesterday' indicating a specific point in time.
그제 나는 친구를 만났어요.
The day before yesterday, I met a friend.
Here, '그제' is presented as a subject of inquiry, referring to the word itself.