||Does anyone know the source of this 'magic' word? What about hocus pocus or alakazam?|
"Hocus pocus" is a corruption of the Latin, "hoc est corpus," meaning "here is the body" and would be said when making a thing appear, but muttered and bastardized and generally worked into a performance by ignorant showmen who didn't know themselves that it really was supposed to mean something.|
"Abracadabra" came either from the Hebrew, "Ab Ben Acadsch," the father, son, and holy spirit, or Abrasax, a Gnostic leader, by way of the Greek, "abrasadabra," as invoked by the Gnostics.
||Alakazam is a proper name, and so I'd expect that the use of the term as a magic word was to be evocacative of "his powers" by performers, but I've been unable to confirm its origin as an eponym.|