opaque
意味
- 不透明な
- にぶい,光沢のない,くすんだ
- 不明確な,あいまいな(obscure)
- 愚鈍な
語源
英語の原文（Wiktionary）
From Middle English opake, from Latin opacus (“shaded, shady, dark”) (of unknown origin), later reinforced from Middle French opaque. Doublet of ubac.
From Middle English opake, from Latin opacus (“shaded, shady, dark”) (of unknown origin), later reinforced from Middle French opaque. Doublet of ubac.