What Does Keto Mean in Greek and Its Surprising Mythological Origin?
                                
                                
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                                    5 min read                                
                            
                                While the modern ketogenic diet has been around since the 1920s, the linguistic roots of the word 'keto' stretch back to ancient Greece. The word 'keto' in Greek does not refer to a diet, but rather to a primordial sea goddess and the terrifying sea monsters under her domain.