weaken
US /ˈwiː.kən/
UK /ˈwiː.kən/

1.
يضعف, يوهن
make or become weaker in power, resolve, or physical strength
:
•
The illness had weakened him considerably.
لقد أضعفه المرض بشكل كبير.
•
The bridge was weakened by the constant heavy traffic.
تم إضعاف الجسر بسبب حركة المرور الكثيفة المستمرة.