preciosismo
preciosity
precious
of great value
+
-ism
doctrine or manner
Preciosismo means preciosity and can be thought of as the doctrine or manner1 (-ism1) of being overly precious0 or refined in style.
noun
- preciosityAn artistic or literary style characterized by excessive refinement and ornamentationSu escritura está llena de preciosismo y metáforas elaboradas. // His writing is full of preciosity and elaborate metaphors.