만이다

만이다

"만이다" means "to be exactly" or "to be fully (a certain amount of time or quantity)."

This usage of '만이다' indicates the passage of a specific duration of time as counted up to the current moment, often used to emphasize the length of time.

우리 서로 만난 지 벌써 3년 만이다.

It has already been 3 years since we last met each other.

Here, '만이다' serves to mark the completion of a month since an event occurred, highlighting the elapsed time.

휴가를 다녀온 지 한 달 만이에요.

It's been a month since I returned from vacation.

In this sentence, '만에' (related form of '만이다') specifies the span of time that has passed before experiencing the mentioned event.

한국에 온 지 5년 만에 처음 으로 눈을 보았다.

For the first time in 5 years since coming to Korea, I saw snow.