Abracadabra is of unknown origin, and is first attested in a second-century work of Serenus Sammonicus.
Some conjectural etymologies are: from phrases in Hebrew that mean "I will create as I speak"… See more

The first known mention of the word was in the second century AD in a book called Liber Medicinalis (sometimes known as De Medicina Praecepta Saluberrima) by Serenus Sammonicus, physician to the Roman em… See more

• Avada kedavra — Spell from the Harry Potter series
• Barbarous name – Meaningless word used in magic rituals
• Hocus-pocus – Magic phrase… See more

• Abracadabra Robert Todd Carroll, Skeptic's Dictionary
• Texts on Wikisource: See more