This is the 10278th most frequent Korean word.
교수에
"교수에" means "in/at/on the professor" or "to the professor," depending on context.
Here, '교수에' refers to the topic related to a professor in the context of a discussion about the school.
나는 학교의 교수에 대해 이야기했습니다.
I talked about the professor at the school.
In this case, '교수에' identifies the professor as the guiding entity.
그 학생들은 교수에 의해 프로젝트를 준비했습니다.
The students prepared a project under the professor's guidance.
In this sentence, '교수에' stands for the professor as the source or origin of action.