Mélyüljenek
Mélyüljenek is a Hungarian verb. It is the third-person plural subjunctive form of the verb mélyül, which itself is derived from the adjective mély, meaning deep. The verb mélyül means to deepen or to become deeper. Therefore, mélyüljenek translates to "may they deepen" or "let them deepen" in English.
This verb form is used to express a wish, desire, or a command in a more formal