This is the 10221st most frequent Portuguese word.
enviadas
"Enviadas" means "sent" in English.
In this sentence, 'enviadas' is used as a past participle of the verb 'enviar' in a passive construction, indicating that the letters were sent by someone.
As cartas foram enviadas ontem.
The letters were sent yesterday.
Here, 'enviadas' works as a past participle modifier (adjectival phrase) describing the messages that João sent, showing an action performed by him.
As mensagens enviadas por João são importantes.
The messages sent by João are important.
In this example, 'enviadas' is used in a passive voice construction in the past participle form, referring to whether the action of sending the packages happened or not.