Super-Grammaticam (above grammar), name given to Sigismund, emperor of Germany, from his rejoinder to a cardinal who one day on a high occasion mildly corrected a grammatical mistake he had made in a grand oration, “I am King of the Romans, and above grammar.”
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Supererogation, Works of * Superior, Lake