érvényesítésüket
érvényesítésüket is a Hungarian word that translates to "their validation" or "their enforcement" in English. It is a possessive form of the verb érvényesít, meaning to validate, enforce, assert, or realize. The suffix "-ük" indicates possession by a third-person plural subject, and "-et" is the accusative case ending. Therefore, "érvényesítésüket" specifically refers to the action of validating or enforcing something by a group of people or entities, and this action is the direct object of a sentence.
This term can be used in various contexts. For example, in a legal or administrative setting, it