This is the 1773rd most frequent French word.
confiée
"Confiée" means "entrusted" in English.
Here, 'confiée' is used to indicate that responsibility was assigned or entrusted to someone.
La responsabilité du projet a été confiée à Julia.
The responsibility of the project was entrusted to Julia.
In this sentence, 'confiée' signifies that care or guardianship of the child was given to grandparents.
L'enfant a été confié aux soins de ses grands-parents.
The child was entrusted to the care of his grandparents.
Here, 'confiée' implies that the task was assigned to someone with expertise.