삼우제가 · 삼우제를
third-day memorial rite after burial
Example
장례를 마친 뒤 가족끼리 삼우제를 지냈어요.
After the funeral, the family held the third-day memorial rite on their own.
Word parts
삼 three+우 repose rite+제 rite
Literally 'third repose rite' — held at the grave three days after burial.
Good to know
The verb is 지내다: 삼우제를 지내다, just like 제사를 지내다.