This is the 2855th most frequent French word.
doubler
To double, overtake, or dub (in film).
Here, 'doubler' is used to mean overtaking or passing a vehicle, commonly employed in driving contexts.
Il a doublé les voitures sur l'autoroute.
He overtook the cars on the highway.
In this usage, 'doubler' refers to the act of replacing the original audio of a movie with a new voice track in a different language.
Ce film a été doublé en anglais.
This movie has been dubbed in English.
Here, 'doubler' indicates that an amount or quantity has increased to twice its original value.