因いん果が関かん係けいいんがかんけいじ字FuriganaMeanings1nouncausal relationship; causalityUsed in formal, academic, or logical contexts to describe a cause-and-effect connection between events or phenomena.喫きつ煙えんと肺はいがんの因いん果が関かん係けいは科か学がく的てき