noun
succession; taking over a role or position
Refers to a change in leadership or generational shift, especially in family businesses, stores, or traditional roles. Often used for a new head taking over.
老舗の代替わりで、若い店主が新しいメニューを始めた。
With the succession at the long-established shop, the young owner started a new menu.
Along with the change of company president, the management policy changed.
noun
subrogation; substitution of a creditor
Legal term; used when one person (usually a creditor) is substituted for another in a legal right or claim. Rare outside legal contexts.
保険会社が支払い後に被保険者の権利を代位することを、法律用語で代替わりということがある。
In legal terminology, the subrogation of the insured's rights by the insurance company after payment is sometimes called 代替わり.