The word "储蓄" is formed by combining the characters "储" and "蓄". "储" means to store or save, incorporating the radical "亻" (person) to imply human action in setting aside resources. "蓄" means to accumulate or hoard, featuring the radical "艹" (grass) to suggest gradual growth or gathering. Together, they create a compound word where both characters contribute their meanings to express the concept of accumulating and storing valuables, specifically referring to financial savings or deposits.