差额
chā é · HSK 7
balance
⚖️ 差 (difference) + 额 (amount) = the difference in amount
差 means difference or gap, 额 means sum or amount. Together they literally say the gap in a sum — a financial discrepancy or outstanding balance. Sounds like cha-eh, like checking the gap.
差 — 垂 (drooping) + 工 (work/tool)
Originally depicted a hand reaching down to grasp grain stalks of uneven length, suggesting discrepancy or unevenness. From this came the meaning 'difference' or 'to differ.' The reading chā specifically carries the sense of disparity, while other readings developed meanings like 'to dispatch' (chāi) and 'poor/lacking' (chà).