This is the 779th most frequent Hungarian word.
jelentkezett
"Jelentkezett" means "applied" or "registered."
Here, 'jelentkezett' is used to indicate that Mari applied or signed up for something, specifically a course.
Mari tegnap egy új tanfolyamra jelentkezett.
Mari enrolled in a new course yesterday.
In this context, 'jelentkezett' refers to the student signaling willingness, such as raising their hand.
Az osztályban a diák jelentkezett, hogy válaszoljon a kérdésre.
In the class, the student raised their hand to answer the question.
Here, 'jelentkezett' describes an event or issue reappearing or showing itself again.