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Classic usage
Pronunciation: /ˈkʌs.təˌmɛɹ.i/
Reading level: hard
Estimated CEFR level: B2 — Upper-Intermediate
Estimated from word frequency; not an official CEFR classification.
From Middle English custumary, from Medieval Latin custumarius. By surface analysis, custom + -ary.
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tap / space
Classic usage
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