Sard is a language directly descended from Latin, if you understand it many route names are clever plays on words. Here's a few Sard words
Cheese = formaggio IT = casu SARDO
House = casa IT = domu SARDO
Big = grande IT = mannu SARDO
I though you were a cunning linguist?
Su Cunnu, despite its masculine gender, refers to the C-word in English. Su Cunnu e S'Ebba is a big hole a waterfall (water = S'Ebba or S'ABBA) gushes out of
ADIOS (bye in Sard) Peter