The quality of being delicate, refined, or imperceptible
Encoding Strategies:
linguistic

subtle
delicate / refined
+
-eza
noun suffix
(abstract quality)
Sutileza means subtlety and turns the English word subtle0 into a noun1.
sutileza
subtlety, nuance
The quality of being subtle, or a specific subtle detail or nuance.
La sutileza del poema se perdía en la traducciónThe subtlety of the poem was lost in translation
Aprecié la sutileza de su humorI appreciated the nuance of his humor