This is the 6034th most frequent French word.
dubé
"Dubé" is not a standard French word; it is a proper noun, often a surname.
Here, "Dubé" is used as a proper noun referring to a person's surname.
J'ai rencontré monsieur Dubé hier.
I met Mr. Dubé yesterday.
In this sentence, "dubé" might be used colloquially or regionally in some dialects to imply strengthening or reinforcing an object.
Le toit a été dubé lors de la réparation.
The roof was reinforced during the repair.
"Dubé" in this context could refer to something being thoroughly considered or supported, possibly reflecting a regional usage or idiomatic expression.