This is the 17938th most frequent Korean word.
수년전부터
"From several years ago" or "since several years ago."
Here, '수년전부터' means 'since several years ago,' indicating the period starting a few years earlier and continuing up to now or when the statement applies.
수년전부터 이 회사는 환경 보호 프로젝트를 시작했어요.
Several years ago, this company started environmental protection projects.
In this case, '수년전부터' is used to describe ongoing action or focus that started a few years ago and continues.
수년전부터 그들은 연구 개발에 집중해 왔어요.
They have been focusing on research and development for several years now.
In this sentence, '수년전부터' emphasizes the starting point of a cultural change that occurred several years in the past and has been developing since then.