weaken
US /ˈwiː.kən/
UK /ˈwiː.kən/

1.
debilitar
make or become weaker in power, resolve, or physical strength
:
•
The illness had weakened him considerably.
La enfermedad lo había debilitado considerablemente.
•
The bridge was weakened by the constant heavy traffic.
El puente fue debilitado por el constante tráfico pesado.