This is the 4573rd most frequent Japanese word.
弱体
"Weakening" or "deterioration."
Used here to indicate the diminishing strength or condition of the team.
そのチームは弱体してしまった。
The team has weakened.
Indicates the process of becoming weak or less stable in the context of an economy.
国の経済が弱体化している。
The country's economy is deteriorating.
Refers to the intentional weakening of a character's abilities in the context of gaming mechanics.