This is the 4158th most frequent Portuguese word.
seul
"Seul" is not Portuguese; it is French for "alone" or "only."
The word 'seu' in this sentence translates to 'his', indicating possession.
Eu comprei um livro para meu amigo na feira, mas esqueci que ele já tinha um exemplar daquele e o livro acabou por se tornar seu.
I bought a book for my friend at the fair, but I forgot that he already owned a copy of it, and the book ended up becoming his.
Here, 'seu' is used to mean 'your', specifying possession or association to the person being addressed.
A casa de praia está à venda e ela pode se tornar seu próximo lar.
The beach house is for sale, and it could become your next home.
In this sentence, 'seu' signifies 'their', indicating possession in a more general and inclusive context.