What language does the word Abracadadabra originate from?

The word "Abracadabra" is of unknown origin. It's widely believed to be a non-sense word used in ancient magical practices, possibly stemming from ancient Hebrew or Aramaic roots.

Here's what we know:

* First appearance: It first appears in 2nd century AD in a medical text by Serenus Sammonicus, where it was used as a charm against fevers.

* Possible origins: Some scholars suggest it's related to the Hebrew phrase "avrah kadavra" which means "I create as I speak" or the Aramaic "avra kehdabra" meaning "I create words".

* Other theories: Others suggest it's a corrupted form of other words, possibly Egyptian or Greek in origin.

Ultimately, the true origin of "Abracadabra" remains a mystery, adding to its enigmatic charm.