discount的词源

英文词源

discount (n.): 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.

dis-, 不，非，使相反。count, 数。即没有计算在内的，折扣。

该词的英语词源请访问趣词词源英文版：discount 词源，discount 含义。

词根词缀： dis-否定 + -count-计算