decorado
set
decor
decoration
+
-ado
past participle suffix
Decorado means set (as in a theater or film set) and can be thought of as decor0 (decoration0) with the -ado1 suffix, implying a completed state1 of decoration.
noun
- setThe set or scenery used in a theater production or filmEl decorado de la obra de teatro era impresionante. // The set of the theater play was impressive.