Well, since I don't know too much either about it, I accept aerodynamics as the missing keyword.
This car was built in 1953 based on a Panhard X by a teacher from Le Mans, who wanted to explore the "internal turbulence". The air came in through the huge grille and was led through channels to the air scoops you can see at the end of the car. Whether he intended to achieve some kind of ground effect or reduced drag, I don't know. The car was never finished. It was exhibited at the Musée automobile de la Commanderie at Viapres-le-Petit in France.
Whoever knows more about this car, just share your knowledge with us.