Otwartych
Otwartych is a form of the Polish adjective otwarty, meaning open. It is used when describing plural nouns that appear in the genitive plural or locative plural. In practice this occurs in phrases such as nie ma otwartych drzwi (there are no open doors) or w otwartych oknach (in open windows). The exact form reflects the noun’s case rather than a change in meaning.
In Polish, adjectives decline for gender, number and case, so otwartych coexists with other forms such as
In contemporary usage, otwartych appears across domains where openness is described, including architecture, journalism and policy
Overall, otwartych functions as a standard inflected form of otwarty, centered on plural nouns in genitive