預金

1. Origins, structure, and basic meaning

• Structure: 預金 is read as よきん and is a noun for money deposited with a bank or another financial institution, as well as the act of depositing it.
• Basic usage: Use 預金額を計算する for calculating a deposit balance and 預金を旅費に使う for using savings as travel funds.

2. Common pitfalls and similar expressions

• Difference between 預金 and 貯金
  • The former emphasizes money entrusted to a financial institution, whereas the latter focuses on the act or result of saving money.