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"customer" is also used as a crossword clue. If that's what you saw, the answer is often client (6 letters).
Definitions
someone who pays for goods or services
Word origin
From Middle English custumer, from Old French coustumier, costumier (compare modern French coutumier), from Medieval Latin custumarius (“a toll-gatherer, tax-collector”, noun), from custumarius (“pertaining to custom or customs”, adjective), from custuma (“custom, tax”). More at custom. By surface analysis, custom + -er.
Used in a sentence
“Every person who passes by is a potential customer.”
“Airlines are the chief customers of the commercial divisions of large-aircraft manufacturers such as Airbus, Boeing, and Embraer.”
“a cool customer, a tough customer, an ugly customer”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Store buyer”8 letters
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