사랑했던

loved

→ 사랑하다
사랑 love + 했 Past tense + 던 Retrospective modifier (past or ongoing past action/state)
verb · past tense Rare #16,014
loved Used before a noun to describe someone or something that was loved.
KO: 내가 사랑했던 사람을 다시 만났어요.
EN: I met the person I loved again.
Conjugation of 사랑하다

톰은 메리를 사랑했던 적이 없다.

Tom never loved Mary.

플로레트가 나를 사랑했던 거 같아?

Do you think Florette loved me?

— 마농의 샘 2부 (1986)

내가 다 사랑했던 거 알지?

You know I loved all of them, right?

— Space Sweepers (2021)