This is the 1652nd most frequent Portuguese word.
quero
"Quero" means "I want" in English.
The word 'quero' in this sentence represents the present tense, first-person conjugation of the verb 'querer,' meaning 'to want'.
Eu quero aprender uma nova língua.
I want to learn a new language.
'Quero' here is used to express a desire for an object, in this case, a book.
Quero um livro interessante para ler.
I want an interesting book to read.
In this case, 'quero' introduces an intention or action to be expressed, specifically the phrase immediately following it.