婿むこ入いり

noun, noun or participle which takes 'suru', intransitive verb

marrying into the bride's family; adoption by the bride's family

Refers to the traditional practice where a husband is adopted into his wife's family, taking her surname and becoming part of her household. Often used in historical or formal contexts.

• 彼かれは婿むこ入いりして、妻つまの家か業ぎょうを継ついだ。

  He married into his wife's family and took over the family business.

• 昔むかしは、家いえを継つぐために婿むこ入いりがよく行おこなわれた。

  In the past, marrying into the bride's family was often done to carry on the family line.