This is the 8096th most frequent Korean word.
edu
The Korean word "에듀" (edu) is a colloquial shorthand for "education."
Here, 'edu' (교육) is used to refer to the concept of education or learning.
교육은 미래를 밝히는 열쇠입니다.
Education is the key to a brighter future.
In this sentence, 'edu' (교육) is part of a phrase indicating platforms providing educational services.
온라인 교육 플랫폼이 점점 인기를 얻고 있습니다.
Online educational platforms are gaining more popularity.
In this case, 'edu' (교육) is used to describe the subject of philosophy as related to education.