This is the 7462nd most frequent Korean word.
출간했다
"출간했다" means "published."
Used to denote the act of publishing written work by an author or publisher
그 작가는 올해 새로운 책을 출간했다.
The author published a new book this year.
Refers to the formal release of a book by a publishing entity
출판사가 지난달에 베스트셀러를 출간했다.
The publishing company released a bestseller last month.
Implies the act of publishing one's own work independently, often without external publishing support