Szüretelhettek
Szüretelhettek is a Hungarian verb form. It is the conditional mood, plural, past tense of the verb "szüretel", which means "to harvest" or "to do the grape harvest." Therefore, "szüretelhettek" translates to "they could have harvested" or "they might have harvested."
This grammatical construction indicates a past possibility or a hypothetical situation regarding the action of harvesting.