This is the 15665th most frequent Russian word.
принесен
"Brought."
In this sentence, "принесено" is the past passive participle form indicating an object that was brought by someone.
Яблоко было принесено на стол.
The apple was brought to the table.
Here, "принесен" denotes a completed action performed by someone to deliver the gift.
Этот подарок был принесен ко дню рождения.
This gift was brought for the birthday.
The word "принесены" describes books being carried or delivered from one location to another.