Friday the 13th is an old, popular superstition believed to carry bad luck. Its effect on people is so great that traditions have been created from it. It even gave birth to the psychological terms paraskavedekatriaphobia and friggatriskaidekaphobia, which mean “fear of the number 13”. See...
Eventually, people let go of the abracadabra superstition and by the 19thcentury the practice of hanging an abracadabra charm around your neck to cure disease had died down. At this point, the word started to take on the meaning of “fake magic” which is what we know today—after all, m...