érdekldésének
érdekldésének is a Hungarian word that translates to "its interest" or "his/her interest" depending on the context. It is the possessive form of the word "érdek" (interest) combined with the third-person singular possessive suffix "-ének". The root word "érdek" itself can refer to a variety of concepts, including personal advantage, concern, or a share in something.
When "érdekldésének" is used, it indicates that something belongs to or pertains to the interest of a