JAPANESE JEDI: 2 samurai fighting with lightsabers
It is said that the name JEDI comes from the Japanese word JIDAIGEKI (historical drama often about samurai). It chaneged from JIDAIGEKI to JIDAI to JEDI. Indeed, George Lucas was deeply influenced by the Japanese samurai.
(It is said that Darth Vader’s costume comes from Samurai’s armor) Watch this video where 2 samurai are fighting with their lightsabers in the darkness and you will see the similarity between the Japanese Warrios and the Lightsaber Warriors.