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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English bewraien, bewreyen, biwreyen, from Old English *bewrēġan, from Proto-Germanic *biwrōgijaną (“to speak about; tell on; inform of”). Cognate with Old Frisian biwrōgja (“to disclose, reveal”), Dutch bewroegen (“to blame; accuse”), Middle Low German bewrȫgen (“to accuse; complain about; punish”), Old High German biruogen (“to disclose, reveal”), Modern German berügen (“to defraud”).
betray
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