Croissant (linguistic)
and Auvernhat dialects.
The Croissant is a crescent-shaped linguistic zone, located in central France, where people traditionally speak varieties of the Lemosin and Auvernhat dialects with transition features toward French;
The first author who coined the name Croissant was linguist Jules Ronjat, in his 1913 PhD thesis. A prominent study about the Crescent is Guylaine Brun-Trigaud's PhD Thesis: Le Croissant: le concept et le mot.
