이 넘쳐

is overflowing with

→ 이

phrase Rare #20,414

is overflowing with The noun before 이 is what overflows or is abundant.

KO: 그의 말에는 자신감이 넘쳐.

EN: His words are full of confidence.

I'm a very warm and affectionate person.

— 아마코드 (1973)