1. Buck--Dates back to the days when deer hides were traded.--1740

2. Dough--Emphasized paper currency's role as one of life's necessities.--1851

3. Dollar--Derived from the Germanic "thaller," used throughout Europe and Britain from the 1500 to the 1700s to refer to large silver coins. The English translation was "Dollar."

4. Sawbuck--The name of an early sawhorse whose crossed legs formed an X, the Roman numeral for 10, or a $10 bill.--1850

5 Grand--Short for "grand amount," which at the time was $1,000.--1920