In German
der Frau
Meaning: “der Frau” (the woman) — Dativ, feminine: the indirect object
Example sentences
IchgebederFraudasBuch.
I give the woman the book.
ErhilftderFrau.
He helps the woman.
WirdankenderFrau.
We thank the woman.
Grammar note
Feminine “die” becomes “der” in the Dativ — the one place where feminine looks like the masculine Nominativ article. Context, not the article alone, tells you which is which.
Common mistake
Don't read “der Frau” as Nominativ just because “der” usually marks masculine subjects. Here “Frau” is feminine, so “der” is the Dativ form, not a Nominativ masculine noun.
Quick check
In “Ich gebe der Frau das Buch”, which case is “der Frau” in?
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Practise it in a lesson →Frequently asked questions
Why does feminine “die” become “der” in the Dativ?
It's simply the Dativ ending for feminine nouns — a coincidence that it matches the masculine Nominativ article in spelling.
How do I tell “der” (masculine Nominativ) from “der” (feminine Dativ)?
Check the noun's gender and the verb: “helfen”, “danken” and “geben … das Buch” all point to the Dativ here.