에야

only then, not until

preposition Rare #29,262
only then, not until Emphasizes that something happens only at or after the stated time.
KO: 저는 오늘 저녁에야 집에 와요.
EN: I won’t get home until this evening.

그날 난 파티에 가는 바람에 다음 날 에야 받았어

Because I went to a party that day, I didn't get it until the next day.

— 레베카 (1940)

그런 다음 에야 질문을 시작했다.

Only then did I start asking questions.