noun
Refers specifically to the eldest daughter in a family. Often used in contexts discussing family roles, inheritance, or traditional household structures.
彼女は総領娘として、家のことをよく手伝っている。
As the eldest daughter, she often helps with household matters.
長女 is the more common and neutral word for 'eldest daughter'. 総領娘 carries a slightly more traditional or formal nuance, often implying responsibility within the family.
Compound of 総領 (そうりょう, 'eldest child/heir') and 娘 (むすめ, 'daughter'). The exact historical derivation is uncertain, but the term is conventionally associated with the eldest daughter in a family.