reimburse
Concise Oxford English Dictionary © 2008 Oxford University Press:
reimburse /ˌriːɪmˈbəːs/
▶verb repay (a person who has spent or lost money).
■ repay (a sum of money that has been spent or lost).
– derivatives
reimbursable adjective,
reimbursement noun.
reimbursable adjective,
reimbursement noun.
– origin C17: from re- + obs. imburse ‘put in a purse’, from med. L. imbursare, based on late L. bursa ‘purse’.
'reimburse' also found in these Oxford entries:

