This is the 5621st most frequent Portuguese word.
abre
"Abre" means "opens" in English.
Here, 'abre' functions as the verb 'open' in the present indicative third-person singular, expressing an action being performed by 'ele' (he).
Ele abre a porta cuidadosamente.
He opens the door carefully.
In this sentence, 'abre' is used in the context of describing the regular opening schedule of the market, also in the present indicative third-person singular.
O mercado abre às nove da manhã.
The market opens at nine in the morning.
Here, 'abre' conveys the action of opening, specifically the act of opening a book, performed by 'ela' (she) in the present.