This is the 11887th most frequent Portuguese word.
protetivo
Protective.
In this sentence, 'protetivo' describes the function of the clothing as providing protection against potential risks or accidents.
Ele usa roupas protetivas no trabalho para prevenir acidentes.
He wears protective clothing at work to prevent accidents.
Here, 'protetivo' is used to describe the father's behavior that is oriented towards safeguarding and providing security for his child.
O comportamento protetivo do pai confortou a criança.
The protective behavior of the father comforted the child.
In this context, 'protetivo' qualifies the layer as intended to guard the painting from harm or deterioration.