댁이 · 댁을
home, house (honorific); you (to a stranger, distant)
Example
선생님 댁이 어디세요?
Where is your home, sir?
Word parts
댁 house
From hanja 宅 'house', the respectful word for someone else's home.
Good to know
The plain word is 집; say 댁 for the homes of elders, teachers or customers, but 저희 집 for your own. Used as 'you' (댁은 누구세요?) it sounds distant or even rude.
Related words