Proteron is a rhetorical term that refers to the reversal in the natural order of events. It is often used in literary works to create a sense of surprise and emphasis. There are many synonyms for the word proteron, including anastrophe, inversion, hyperbaton, transposition, and rearrangement of syntax. These terms all refer to the same concept of changing the order of words or phrases to create a specific effect. The use of proteron, or any of its synonyms, can add depth and complexity to a piece of writing by creating tension and intrigue for the reader.