Corrected or improved, especially referring to a text that has been edited to remove errors.
Past participle of emend (a more common version of emendate), from Latin emendare. The shorter form 'emend' became standard while 'emendate' remained more formal.
When you see 'emended edition' on a book cover, it means scholars have done the detective work to find and fix errors—it's the difference between a sloppy copy and a reliable one.
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