기어이

gieoi

기어이 + verb (기어이 해내다); ≈ 기어코, 끝내

at all costs, determinedly; in the end, finally

Example

그는 반대를 무릅쓰고 기어이 유학을 떠났어요.

Despite the opposition, he insisted on going to study abroad.

Word parts

기 aim, expect어 at

Literally 'aiming at (the goal)' plus -이: refusing to stop until it's done.