Nantoka/단서danseo단서 (danseo) is a Korean word meaning “proviso; conditional clause”.Meanings1proviso2conditional clausePart of speechnounHanja但書Related words독서reading도서관library교과서textbook서점bookstore서류document엽서postcard단지just안내서handbook보고서report추천서letter of recommendation도서book이력서curriculum vitaeStudy Korean with flashcards →