Diogenes Laertius, Bk. V. ch. I.
Quæ Genus
and
As in Præsenti
were the first words in collections of rules then and until recently familiar as part of the standard Latin Grammar, Lilly's, to which Erasmus and Colet contributed, and of which Wolsey wrote the original Preface.
Abraxas, which in Greek letters represents 365, the number of the deities supposed by the Basilidians to be subordinate to the All Ruling One, was a mystical name for the supreme God, and was engraved as a charm on stones together with the figure of a human body (Cadaver), with cat's head and reptile's feet. From this the name Abracadabra may have arisen, with a sense of power in it as a charm. Serenus Sammonicus, a celebrated physician who lived about A.D. 210, who had, it is said, a library of 62,000 volumes, and was killed at a banquet by order of Caracalla, said in an extant Latin poem upon Medicine and Remedies, that fevers were cured by binding to the body the word Abracadabra written in this fashion: