noun, noun or participle which takes 'suru'
marrying into the wife's family
Refers to a husband who moves into his wife's family home after marriage, often taking her family name. Used in legal and traditional contexts.
彼は入夫して妻の姓を名乗った。
He married into his wife's family and took her surname.
入夫婚姻の手続きについて
I look into the procedures for a marriage where the husband joins the wife's family.