제사가 · 제사를
ancestral rite, memorial service for ancestors
Example
우리 집은 명절마다 제사를 지내요.
My family holds an ancestral rite every major holiday.
Word parts
제 offering+사 worship
Literally 'offering and worship': food is set out for ancestors' spirits.
Good to know
The verb used is 지내다: 제사를 지내다 (to hold an ancestral rite).