Merriam-Webster Collegiate Dictionary - cashier

 I. transitive verb  Etymology: Dutch casseren, from Middle French casser to discharge, annul — more at quash  Date: 1592  1. to dismiss from service; especially to dismiss dishonorably  2. reject, discard  II. noun  Etymology: Dutch or Middle French; Dutch kassier, from Middle French cassier, from casse money box  Date: 1593 one that has charge of money: as  a. a high officer in a bank or trust company responsible for moneys received and expended  b. one who collects and records payments  c. an employee (as in a store) who handles monetary transactions