New answers tagged évolution
One example I could fine online was "Ouï-dire", meaning hearsay Par ouï-dire, jusqu'à ce soir.
I answer only this subquestion: Am I likely to come across it at all in older texts or movies? 'oyez', the second-person plural conjugation of "ouïr", remains used especially in legal contexts, such as in the opening address of each oral argument of the Supreme Court of the United States. Consult this Wikipedia page for more details.
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