Bonjour
L'affaire vint à s'ébruiter
"News of the affair got out"
there are no translation "word for word" for this expression
It means "The case began to become public, people began to know about it, it was going to be no longer private"
s'ébruiter = comes from the noun "bruit' "noise"
s'ébruiter = to spread
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hope this helps☺☺☺