This is the 3989th most frequent Korean word.
유학을
"유학을" means "studying abroad."
In this context, '유학을' refers to the planned activity of studying abroad.
저는 내년에 유학을 계획하고 있습니다.
I am planning to study abroad next year.
The word '유학을' is used to signify the action of going abroad for educational purposes.
친구는 유학을 갔다.
My friend went abroad to study.
Here, '유학을' indicates the act of completing an overseas educational experience.