도착했네

arrived

→ 도착하다
도착 arrival + 했 Past tense + 네 Realization (sentence-final ending)
verb · informal, past tense Rare #26,893
arrived The ending -네 conveys that the speaker has just noticed or realized it; it can also express mild surprise.
KO: 벌써 도착했네.
EN: Oh, you're here already.
Conjugation of 도착하다
Admirative past
도착했네

시간 딱 맞춰서 도착했네

You arrived right on time.

— The Roundup (2022)

쌍둥이도 도착했네!

The twins have arrived too!

— 크레이지 리치 아시안 (2018)

집에 방금 도착했네

You just got home.

— 홍등 (1991)