követelésük
The term "követelésük" is a Hungarian word. It is the third-person plural possessive form of the noun "követelés," which translates to "claim" or "demand" in English. Therefore, "követelésük" specifically means "their claim" or "their demand." This grammatical construction indicates that a group of people (they) possess or are asserting a claim or demand.
In legal contexts, "követelésük" would refer to the collective claims or demands of a party or group.