sutileza
subtlety
subtle
delicate or slight
+
-eza
noun suffix (abstract quality)
Sutileza means subtlety and can be thought of as subtle0 (delicate or slight0) + -eza1 (noun suffix (abstract quality)1), forming an abstract noun meaning 'the quality of being subtle'.
noun
- subtletyThe quality of being subtle, delicate, or refinedLa sutileza de su argumento impresionó al jurado. // The subtlety of his argument impressed the jury.