Other forms: customers
A customer is the person buying something in a shop. A regular customer, customer service, the customer is always right.
The word marks a relationship rather than a single act — a customer comes back, where a buyer need not — which is why businesses count customers rather than sales. The customer is always right was a shop slogan, not a law. Note that the word comes from custom in its old sense of regular trade.
1nouncustomerThe person buying something in a shop.
“The shop assistant helped a customer find a jacket in her size.”
customer is a buyer.
Also accepted in games: shopper, buyer
Old French costumier meant one who collects or owes custom, from Latin consuetudo, habit. Custom and costume come from the same habit.
Medieval Latin
custumarius — a toll-gatherer, tax-collector
Old French
coustumier
Middle English
custumer
English, today
customer
Built from
From Middle English custumer, from Old French coustumier, costumier (compare modern French coutumier), from Medieval Latin custumarius (“a toll-gatherer, tax-collector”), from custumarius (“pertaining to custom or customs”), from custuma (“custom, tax”). More at custom. by surface analysis, custom + -er.
Etymology from Wiktionary, CC BY-SA