Spanish

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Etymology

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Literally, to not say 'moo'.

Verb

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no decir ni mu (first-person singular present no digo ni mu, first-person singular preterite no dije ni mu, past participle no dicho ni mu)

  1. (idiomatic) to keep mum; to not breathe a word; to not say a word
    Synonym: no decir ni pío

Further reading

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