noun, noun which may take the genitive case particle 'no'
codependence; codependency
A psychological term describing a relationship pattern where one person enables another's addiction, poor mental health, or irresponsibility. Often used in self-help and clinical contexts.
彼女は共依存の関係から抜け出すためにカウンセリングを受けた。
She received counseling to break free from a codependent relationship.
共依存の問題は、家族全体に影響を及ぼすことがある。
Codependency issues can affect the entire family.
A compound of 共 (together, mutual) and 依存 (dependence), likely a calque from English 'codependence' or 'codependency'. The exact origin is uncertain, but it became common in Japanese psychological discourse in the late 20th century.