super-royal
/ˈsuːpəˌrɔɪəl/ /ˈsjuːpəˌrɔɪəl/adjective
1That is above royal rank; higher than or beyond royal. Later also: extremely royal.
2 Printing. Designating a sheet of paper of a size larger than royal, measuring about 19–21 by 27–28 inches (approx. 48.3–53.3 by 68.6–71.1 cm).
Origin
Early 17th century; earliest use found in Thomas Bell (fl. 1573–1610). From super- + royal.