prima ballerina assoluta
/ˌpriːmə ˌbaləˈriːnə(r) ˌasəˈl(j)uːtə/(also prima ballerina asoluta)
noun
A prima ballerina of outstanding excellence.
Origin
Late 19th century. Apparently from Italian prima ballerina assoluta (although this is apparently not recorded in dictionaries of Italian) from prima ballerina + assoluta, feminine of assoluto.