weaken
US /ˈwiː.kən/
UK /ˈwiː.kən/

1.
melemahkan, melemah
make or become weaker in power, resolve, or physical strength
:
•
The illness had weakened him considerably.
Penyakit itu telah sangat melemahkan dia.
•
The bridge was weakened by the constant heavy traffic.
Jembatan itu melemah karena lalu lintas padat yang terus-menerus.