Fruen
Fruen is a term primarily used in Danish and Norwegian languages, translating literally to "the lady" or "the woman." Historically, it was a form of address for married women of a certain social standing, often implying respect and a certain level of formality. In a domestic context, it could refer to the mistress of the house, distinct from the servants.
The term's usage has evolved over time. While it was once common in everyday speech, it is