1. Support or assistance that strengthens, reinforces, or gives courage to someone or something
The fortifying backing of her family helped her through the difficult times.
O apoio fortalecedor de sua família a ajudou durante os tempos difíceis.
2. Material or structural support that reinforces or strengthens something, often used in textiles or construction
The fortifying backing of the fabric made it more durable.
O reforço de sustentação do tecido o tornou mais durável.