법당이 · 법당을
Buddhist temple hall, dharma hall
Example
법당에 들어갈 때는 신발을 벗어야 해요.
You have to take off your shoes when you enter the temple hall.
Word parts
법 dharma, law+당 hall
Literally 'dharma hall': where the Buddha's teaching is given.
Good to know
Pronounced [법땅]: ㄷ tenses after ㅂ.