re·im·burse·ment \ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷mənt\noun (-s) Etymology: probably from French remboursement, from Middle French, from rembourser to reimburse (from re- + embourser to pocket money) + -ment : the action of reimbursing : repayment < make direct reimbursements to private corporations for federal income taxes — New Republic > < reimbursement for out-of-pocket expenditures >