Mélyítésének
Mélyítésének is a Hungarian verb form derived from the verb mélyít, meaning "to deepen". The "-ének" suffix indicates a possessive case, specifically a third-person singular possessive form of a gerund. Therefore, "mélyítésének" translates to "its deepening" or "the deepening of it" in English.
This grammatical construction is used when referring to the process of something becoming deeper, either literally
The gerund form "mélyítés" itself denotes the act or process of deepening. Adding the possessive suffix "-ének"