boudoir

[ boo-dwahr, -dwawr ]

/ ˈbu dwɑr, -dwɔr /

a woman's bedroom or private sitting room.

Origin of boudoir

1775–85; < French: literally, a sulking place ( boud(er) to sulk + -oir -ory²)

Rizzoli, The Boudoir Bible: The Uninhibited Sex Guide for Today, $20.

7 Last-Minute Valentine’s Day Gifts Your Valentine Would Actually Want |Misty White Sidell |February 13, 2013 |DAILY BEAST
The boudoir was a large room, repeating on a bigger scale the incongruousness and ill fitting splendor of the others.

A Sappho of Green Springs |Bret Harte
Perhaps this pleasant apartment was once the boudoir of a favorite daughter, who busied herself with painting and verse.

Pompeii, Its Life and Art |August Mau
She consulted the glass once more—gave one or two corrective touches to her hair and her cap—and hastened into the boudoir.

My Lady's Money |Wilkie Collins

And without giving Serge time to answer him, Herzog reached the boudoir where his daughter was waiting with impatience.

Serge Panine, Complete |Georges Ohnet
He was the detective who had been left in charge of the boudoir, and he carried a strange-looking object.

The Curved Blades |Carolyn Wells

boudoir

/ (ˈbuːdwɑː, -dwɔː) /

a woman's bedroom or private sitting room

C18: from French, literally: room for sulking in, from bouder to sulk