단초가 · 단초를
a clue, a first step, a starting point (toward a solution)
Example
이 연구가 문제 해결의 단초를 제공했습니다.
This research provided a first clue to solving the problem.
Word parts
단 tip, end+초 beginning
Literally 'tip and beginning' — the loose end you start pulling from.
Related words