Rhaeto-Romance
Concise Oxford English Dictionary © 2008 Oxford University Press:
Rhaeto-Romance /ˌriːtə(ʊ)rəʊˈmans/ (also Rhaeto-Romanic /-ˈmanɪk/)
▶adjective relating to or denoting the Romance dialects spoken in parts of SE Switzerland, NE Italy, and Tyrol. ▶noun the Rhaeto-Romance dialects.
'Rhaeto-Romance' also found in these Oxford entries:

