공적이 · 공적을
achievements, merits, meritorious service
Example
그는 나라를 위한 공적을 인정받아 상을 받았어요.
He received an award in recognition of his service to the country.
Word parts
공 merit+적 achievement
Literally 'merit and accomplishments'.
Good to know
Homonym: 공적(公的) means 'public, official', as in 공적인 자리 'an official setting'.