The term 'Cause of Star Wars' can be broken down into two crossword solutions: EGOS (4 letters) and EGO (3 letters). The term 'EGO' is derived from the Latin word 'EGO, ' which means 'I.' In psychology, EGO is used to refer to the conscious mind, which is responsible for making decisions and controlling behavior. The term 'egos' is a plural form of EGO, and it is often used to refer to the collective egos of a group of people. In the context of Star Wars, the cause of the conflict between the Jedi and the Sith can be attributed to the egos of both sides.