superexcellency
/ˌsuːpərˈɛksələnsi/ /ˌsjuːpərˈɛksələnsi/ /ˌsuːpərˈɛksəlnsi/Now rare
noun
A superexcellent quality, characteristic, or attribute.
Origin
Mid 16th century (in an earlier sense). From post-classical Latin superexcellentia superexcellence; compare -y, -ency.