This is the 10224th most frequent Portuguese word.
enviá
"Enviá" is not standard Portuguese; it may be a misspelling or regional variation of "enviar," which means "to send."
Here, 'enviá' is the conjugated verb 'to send' (enviar) in the future tense matched with the subject 'Eu' (I).
Eu vou enviá a carta amanhã.
I will send the letter tomorrow.
In this sentence, 'enviá' reflects the necessity to perform the action of sending (documents), used in the infinitive following 'precisa'.
Ela precisa enviá os documentos.
She needs to send the documents.
Here, 'enviá' is used as an imperative command to politely request the action of sending (the address).