what does per diem means
(April 2007). Per diem (Latin for per day or for each day) is a daily allowance for expensesâa specific amount of money an organization gives an individual, often an employee, per day to cover living expenses when traveling for work.April 2007). Per diem (Latin for per day or for each day) is a daily allowance for expensesâa specific amount of money an organization gives an individual, often an employee, per day to cover living expenses when traveling for work.