zatemující
Zatemňující is a Czech adjective and present participle formed from the verb zatemnit, meaning to darken or obscure. The term describes something that reduces the transmission of light or visibility, producing a darker appearance or increased privacy. It is commonly used for materials, coatings and devices designed to limit light or visibility.
Common usages include zatemňující závěsy (blackout curtains) and zatemňující rolety (darkening blinds) used to block sunlight
Grammatical notes: zatemňující is used as a present participle and can function as an attributive adjective