Parascenia

from The Collaborative International Dictionary of English v.0.48

Parascenium \Par`a*sce"ni*um\, n.; pl. {Parascenia}. [NL., fr.
   Gr. ?; para` beside + ? stage.] (Greek & Rom. Antiq.)
   One of two apartments adjoining the stage, probably used as
   robing rooms.
   [1913 Webster]