This is the 8446th most frequent Korean word.
ih
The Korean word "이"' (ih) can mean "this" or "tooth" depending on context.
Here, '이' means 'this' and serves as a demonstrative adjective specifying the noun '책' (book).
이 책은 참 재미있어요.
This book is really interesting.
In this sentence, '이' appears as a noun meaning 'throat,' referring to a body part.
감기에 걸려서 목이 아파요.
I caught a cold, so my throat hurts.
Here, '이' functions as a demonstrative pronoun within '이곳,' meaning 'this place.'