Occult came from the Latin word occultus, meaning knowledge of the hidden, just like the examination of occult blood in stool. Moreover, The Occult word also means knowledge of the paranormal, such as ghosts, mysteries and the like.
I am afraid of ghosts even though I have not seen any in my entire life. However, I would like to experience the thrill of ghost hunting. Now, I'm having goosebump as I am browsing this site, occultblogger.com, where mysteries are explored.