This is the 8483rd most frequent Korean word.
伊
In Korean, "伊" is a rarely used Hanja (Chinese character) meaning "this" or "that person," often representing the third person.
'이' is used to indicate 'this' in the demonstrative function, referring to the specific noun 'person'.
이 사람은 매우 친절합니다.
This person is very kind.
'이' modifies '책', clarifying that it is the specific book being pointed to or referred to near the speaker.
여기 이 책을 읽어보세요.
Read this book here.
'이' is demonstrating 'this' problem, specifying the specific issue being discussed.