ちょうじょ長女choujo
1.
The female child born first in a family, often associated with specific cultural or familial roles and responsibilities.
2.
The oldest daughter among siblings, particularly in the context of family hierarchy and dynamics.
3.
A term referring to the female descendant who holds the position of being the first girl born in a lineage.
4.
The eldest girl in a family, often seen as a leader or caretaker to younger siblings.
Example:
彼が一番愛しているのは彼女の長女です。