Arc rehaussé (extended round arch ©)

The translation in the title is followed by this sign ©; this means that it has been "invented" by me.

As can be seen in the picture, the ends of the semicircle are extended over a short distance downwards with a straight line.
In the picture one of the entrances of the Sainte-Marie-Madeleine in Le Villars.

Sainte-Marie-Madeleine - Le Villars