제안했다

proposed, suggested, offered

→ 제안하다
제안 proposal, suggestion + 했 Past tense + 다 Plain declarative ending
verb · informal, past tense Rare #28,121
proposed, suggested, offered Past tense of 제안하다; often used when proposing an idea or offering to do something.
KO: 나는 내일 만나자고 제안했다.
EN: I suggested meeting tomorrow.

내가 제안했다.

I made the suggestion.

윌리엄 윌리엄슨은 항만장보다 더 큰 소리로 말해 줄 사람이 필요하면 함께 가겠다고 제안했다.

William Williamson offered to go along if they needed someone to speak louder than the harbor master.