1620s, "abatement," alteration of 16c. French descompte, from Medieval Latin discomputus (source of Italian disconto), from discomputare (see discount (v.)). Meaning "deduction for early payment" is from 1680s; meaning "reduction in the price of goods" attested by 1837.
discount (v.)
1620s, "reckon as an abatement or deduction," from Old French desconter (13c., Modern French décompter), from Medieval Latin discomputare, from dis- (see dis-) + computare "to count" (see count (v.)). Hence, "to abate, deduct" (1650s), and figurative sense "to leave out of account, disregard" (1702). Related: Discounted; discounting.
实用例句
1. I'll sell at a discount in return for a speedy sale.
为了尽快售出，我会打折销售。
来自柯林斯例句
2. Eagle Star offers a 10% discount to the over-55s.
鹰星公司给予年龄在55岁以上的顾客10％的折扣。
来自柯林斯例句
3. In 1979, Liquor Barn thrived as a discount merchandiser.