subtlety
subtle + -ty
https://gyazo.com/59583d8e85398d402878cda4eb884b23
source: subtlety in anime : anime
noun (plural subtleties)
the quality or state of being subtle:
巧妙(さ), 上手さ; 鋭敏(さ), 鋭い感受性［洞察力］
e.g. the textural subtlety of Degas.
a subtle distinction, feature, or argument:
〖通例-ties〗(隠れた重要な)細部, 微細, 機微.
e.g. the subtleties of English grammar.
ORIGIN
Middle English: from Old French soutilte, from Latin subtilitas, from subtilis ‘fine, delicate’ (see subtle).