This is the 5996th most frequent Spanish word.
éste
"Éste" means "this one" in English, used to refer to a specific masculine singular item nearby.
In this sentence, 'éste' is used as a demonstrative pronoun referring to 'this one' (the book).
Éste es mi libro favorito.
This is my favorite book.
Here, 'éste' functions as a demonstrative pronoun, emphasizing 'this one' among a group.
Tengo varios libros, pero éste es el que leo más a menudo.
I have several books, but this one is the one I read most often.
In this case, 'éste' is employed to highlight a specific object in proximity, translating to 'this one.'