An archaic word meaning 'since' or 'because'; in modern usage, primarily known from Star Wars as dark side Force users.
From Old English 'siððan' meaning 'since' or 'after that time'. The word largely fell out of common usage by the 17th century, but gained modern recognition through George Lucas's Star Wars, where it refers to dark Force users.
George Lucas chose 'Sith' for his space villains partly because it sounded mysterious and ancient, unknowingly reviving a genuine archaic English word. The linguistic choice adds authentic medieval flavor to his galaxy far, far away.
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