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Classic usage
Pronunciation: /ˈkʌs.tə.mə/
Reading level: hard
Estimated CEFR level: B2 — Upper-Intermediate
Estimated from word frequency; not an official CEFR classification.
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.
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tap / space
Classic usage
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