"I have been looking at the upstair rooms at home," said Clarence.
They were carried back to the plantation and the mother was mildly punished and imprisoned in an upstair room.
One of her last observations was, 'How frightfully like this is to our room at Islington,'—our upstair room she meant.
She often disappears all day long—still, she may be in the upstair rooms.'
The upstair rooms are better furnished, and the beds often really good.
Madame Nancanou an' heh daughtah livin' upstair an' rissy-ving de finess soci'ty in de Province!
1590s (adj.), from up + stairs (see stair). The noun is first attested 1872. Meaning "characteristic of upstairs life" (in private rooms of a household, as opposed to servants' quarters) is recorded from 1942.
He [Halifax] had said he had known many kicked down stairs, but he never knew any kicked up stairs before. [Gilbert Burnet, supplement to "History of My own Time," from his original memoirs, c.1697]