wieczystych
Wieczystych is the genitive plural form of the Polish adjective wieczysty, meaning perpetual or eternal. In Polish grammar, wieczysty declines for gender, number, and case; wieczystych appears in contexts describing multiple nouns in the genitive plural. The form is common in formal and legal language, where duration is described as lasting forever or for an indefinite term.
In legal and land-law usage, the root concept is embedded in terms such as slużebność wieczysta and
Historically, these instruments reflect long-term arrangements tied to land and property, sometimes dating back to feudal
See also: Polish Civil Code, real rights, easement, perpetual usufruct, land register.