fejlesztésükkel
The Hungarian word "fejlesztésükkel" translates to "with their development" or "by their development" in English. It is a grammatical form derived from the noun "fejlesztés," meaning development. The "-ükkel" suffix indicates possession and the instrumental case, signifying that something is being done *with* or *by* the development of something or someone.
"Fejlesztés" itself refers to the process of progress, growth, improvement, or enhancement. It can be applied
When "fejlesztésükkel" is used, it implies that the subject of the sentence is acting or being acted