가계가 · 가계를
household finances, household economy
Example
물가가 올라서 가계 부담이 커졌습니다.
Rising prices have increased the burden on household finances.
Word parts
가 house+계 calculate
Literally 'house calculation' — a family's money matters.
Good to know
Often pronounced [가게], so it can sound just like 가게 (store) — context tells them apart.