夫ふう婦ふ養よう子し

noun

adoption of a married couple; married couple adopted into a family

A legal or historical practice where a married couple is adopted together, often to continue a family line or business. The term can refer to the act of adoption or the couple themselves.

• 江え戸ど時じ代だいには、家いえを存そん続ぞくさせるために夫ふう婦ふ養よう子しが行おこなわれることがあった。

  In the Edo period, adopting a married couple was sometimes done to keep a family line going.

• この家いえの夫ふう婦ふ養よう子しは、先せん代だいの娘むすめとその夫おっとだった。

  The married couple adopted into this family were the previous head's daughter and her husband.