daughter who inherits the family home; unmarried woman who owns (or will own) a house
Refers to a daughter, often the only child or eldest, who is expected to stay in the family home and eventually inherit it. The term can imply that a prospective husband would marry into her family (婿養子).
She is the daughter who will inherit the family home, so she plans to stay in her parents' house even after marriage.
If you marry a daughter who inherits the home, you must be prepared to be adopted into her family.
Standard kanji spelling.
Variant spelling without き; less common but still encountered.
Compound of 家 (house, family) + 付き (attached, with) + 娘 (daughter). The exact historical derivation is uncertain, but the term has been used to describe a daughter tied to the family home through inheritance.