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Salt has had a strong significance in a lot of different religions for millennia. I believe that salt used for the explicit purpose of repelling demons originates from Buddhism or Shintoism, where salt is used to purify/sanctify a places and ward off evil spirits. I think Supernatural draws from the Wiccan culture for its usage of salt though, as Wiccan ...


7

First I'll get this out of the way: No research is truly comprehensive without TVTropes: The myth of silver's mystical properties goes deep into human history. As a noble metal akin to gold, this is often attributed to something along the lines of silver's Incorruptible Pure Pureness. In fact, it's because of something people noticed a very long time ago:...


7

Salt is a preservative. The Tarim Mummies were preserved in salt for 4000 years. If you pack meat in salt it will not rot. (Because it sucks all the water out and kills any bacteria. Water is necessary for life.) Since people could not see microscopic organisms before the invention of microscopes rot, decay, and putrefaction were associated with evil ...


7

Why is salt associated with repelling of demons? This seems like an almost impossible question to answer. The origins are very obscure. Firstly, what does salt symbolize? Judeo-Christian traditions considered salt a purifier, and the symbol of the eternal nature of God’s covenant with Israel. There are more than 30 references to salt in the Old and New ...


7

Salt is a natural cleanser, and can be used to scour out pots, as toothpaste, to remove rust, etc. (See this page for more.) So it's not a big leap from there to supernatural cleansing. As for salting and burning the bones, a parallel custom was burning a conquered city and salting the ground, so nothing would grow there. The Romans supposedly did this with ...


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