This is the 6787th most frequent Korean word.
이원석
"이원석" is a Korean name and does not have a specific meaning as a standalone word.
Here, '이원석' is used as a person's name, mentioned as the subject of the sentence.
이원석은 오늘 학교에 갔어요.
Lee Wonseok went to school today.
In this example, '이원석' is referred to as a name, discussed in a context about its commonality.
이원석이라는 이름은 흔하지 않아요.
The name 'Lee Wonseok' is not common.
'이원석' is mentioned as a specific identifying name for a friend visiting, clarifying their familiar relationship.