This is the 1808th most frequent Japanese word.
大学院
Graduate school.
Here, '大学院' refers to the institution where graduate-level studies occur.
私は大学院で歴史を専攻しています。
I am majoring in History at the graduate school.
In this sentence, '大学院' denotes the next academic step after completing undergraduate studies.
兄は来年大学院に進む予定です。
My elder brother plans to advance to graduate school next year.
'大学院' is used here to describe the context of activities or classes held at the graduate school.