This is the 7107th most frequent Portuguese word.
katherine
"Katherine" is not a Portuguese word; it is a proper name, used in English and other languages.
The word 'Katherine' is used as the subject of the sentence, referring to a person.
Katherine gosta de ler romances antigos.
Katherine likes to read old novels.
The word 'Katherine' is used as the object of the verb 'encontrei', denoting the person who was met.
Encontrei Katherine na biblioteca ontem.
I met Katherine at the library yesterday.
Here, 'Katherine' is used as the object of the preposition 'com', indicating the person being spoken to.