The noun discount means a reduction in the usual price of something.
Synonyms are allowance, concession, decrease, or premium.
The word origins from Middle French (16th century) descompte, and Medieval Latin discomputus, from discomputare. It comes from dis- plus computare meaning “to count”. Its commercial meaning “deduction for early or prompt payment” is from 1680s. The meaning “a reduction in the price of goods” was attested by 1837.
The rate of discount was 20% throughout the whole of the month.
Full-time staff will get a 50% discount.
A large discount has therefore to be made from the agreements between them.