- a daughter or granddaughter of the Emperor of Austria-Hungary, or the wife of a son or grandson of the Emperor of Austria-Hungary
- The male equivalent is archduke.
Etymology: From arch- + duchess, feminine form of '''duke
- Dutch: (t, nl, aartshertogin, f)
- German: (t, de, Erzherzogin)
- Spanish: (t, es, archiduquesa, f)
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