Viselkedniük
Viselkedniük is a Hungarian verb form. Specifically, it is the third-person plural conditional of the verb "viselkedni." The verb "viselkedni" translates to "to behave" in English. Therefore, "viselkedniük" means "they would behave" or "they should behave" depending on the context of the sentence.
In Hungarian grammar, the conditional mood is used to express hypothetical situations, polite requests, or suggestions.
For example, a sentence might read: "Ha jobb idő lenne, ők is többet viselkedniük." This translates to