What does 积蓄 (jīxù) mean in English?

Card 18NPCR Level 3518/54
CARD18
PROGRESS33%
积蓄
積蓄
jīxù
save/savings(Verb)

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d