ETYM French, from oublier to forget, from (assumed) Late Lat. oblitare, Latin oblivisci, p. p. oblitus.
A dungeon with a trap door in the ceiling that is tis only means of entry or exit.
Dungeon with entrance in roof.
unterird. Gefängnis, Kerker.
ETYM Old Eng. donjoun highest tower of a castle, tower, prison, French donjon tower or platform in the midst of a castle, turret, or closet on the top of a house, a keep of a castle, Late Lat. domnio, the same word as Late Lat. dominus lord.
A close, dark prison, commonly, underground, as in the lower apartments of the donjon or keep of a castle.