imprest
/ˈɪmprest/noun
1- a fund used by a business for small items of expenditure and restored to a fixed amount periodically（定期补足的）企业小额支出基金, 定额备用金。
1.1
- a sum of money advanced to a person for a particular purpose预付金。
词源
mid 16th cent.: from the earlier phrase in prest 'as a loan'， influenced by Italian or medieval Latin imprestare 'lend'.