入いり婿むこ

い

り

む

こ

Meanings

man who marries into his wife's family; adopted son-in-law

Refers to a man who takes his wife's family name and becomes a member of her household, often in a traditional family succession context.

彼かれは入いり婿むことして妻つまの家いえに入はいった。
He entered his wife's family as an adopted son-in-law.
入いり婿むこの制せい度どは、家いえを継つぐために昔むかしからある。
The custom of the adopted son-in-law has existed since old times to carry on the family line.

Kanji

入enter, insert
婿bridegroom, son-in-law
聟son-in-law
壻son-in-law

Related words

婿むこ養よう子し
婿養子 is a more formal legal term for a son-in-law who is adopted as a son, while 入り婿 is a common noun describing the man and his role.
嫁よめ入いり
嫁入り refers to a woman marrying into her husband's family, the opposite direction of 入り婿.

Built from

入いる+婿むこ

Written forms

入いり婿むこUsage50%
Standard kanji spelling.
入いり婿むこUsage40%
Variant without okurigana; less common but still used.
入いり聟むこUsage10%
Rare variant using 聟 (a variant of 婿).
入いり壻むこ
Rare variant using 壻 (an older variant of 婿).

Etymology

Compound of 入り (iri, 'entering') + 婿 (muko, 'son-in-law'). The exact historical derivation is uncertain, but the word has been used to describe a man who marries into his wife's family.