This is the 2nd most frequent Portuguese word.
e
"And."
In this sentence, 'e' is used to connect two verbs describing simultaneous actions.
Ele estuda e trabalha ao mesmo tempo.
He studies and works at the same time.
In this sentence, 'e' joins two adjectives describing the same subject.
A professora é inteligente e dedicada.
The teacher is intelligent and dedicated.
In this sentence, 'e' is used as a conjunction to list items in a series.