The other replies answered your question better than I could. I didn't have in mind a hoist, but thought the door could be pushed open and held in place by a catch or prop.

By Christ I am no carpenter, so please be patient if this is an ignorant question. I'm sure you had good reasons for not just making a horizontal doorway over the stairway opening. Aesthetic and practical?

Atavistic or revanchist captures much of the substance.

Neo-confederate has a nice ring to it.