also: おとむすめ
younger daughter
Refers specifically to a younger daughter, often in contrast to an older daughter (姉娘). The term is somewhat literary or used in formal contexts; in everyday speech, 下の娘 or simply 妹 may be more common.
His younger daughter is still in elementary school.
The older daughter is a university student, and the younger daughter is a high school student.
Standard kanji spelling; the reading おとむすめ is a contraction.
Contracted reading, common in casual speech.
Compound of 弟 (younger brother, but here used in the sense of 'younger') and 娘 (daughter). The reading おとむすめ is a contraction of おとうとむすめ.