your daughter; young lady
Polite term for someone else's daughter, often used in formal or respectful contexts. Can also refer to a refined young woman.
How old is your daughter?
That young lady is very polite.
Compound of 令 (rei, 'good, excellent, respectful') and 娘 (jō, 'daughter, young woman'). The exact historical derivation is uncertain, but the kanji combination conveys a respectful reference to a young woman or daughter.