archivního
The term "archivního" is the genitive singular masculine or neuter form of the Czech adjective "archivní," which translates to "archival" or "archive" in English. It is used to describe something that pertains to or is related to an archive. An archive, in turn, is a collection of historical records or documents, typically kept by an institution or organization. Therefore, "archivního" would be used in a context where one is referring to an aspect of an archive, such as its contents, its condition, its management, or its purpose.
For instance, one might encounter "stav archivního fondu," meaning "the condition of the archival fund," or "správa