noun
rediscount
Financial term: the act of discounting a negotiable instrument that has already been discounted, typically by a central bank for a commercial bank.
中央銀行は市中銀行の手形を再割引することがある。
The central bank sometimes rediscounts bills from commercial banks.
割引 means 'discount' in general, while 再割引 specifically refers to the financial operation of rediscounting.
Compound of 再 (re-) and 割引 (discount).