rehash

The word 'rehash' is a relatively modern English compound, formed in the early 19th century. It combines the productive Latin-derived prefix 're-', signifying repetition, with the verb 'hash', which entered English from the Old French 'hacher' (to chop). 'Hacher' itself derives from the Frankish 'hakkjan', related to the act of cutting. The literal sense is "to chop up again," originally applied to food. This concrete image was extended metaphorically to intellectual or creative work, implying the act of taking old material, chopping it up slightly, and serving it again as if it were new, hence the modern meaning of presenting an old idea without substantive innovation.

Structure: re (again) + hash (to chop up and reuse) • re: A prefix of Latin origin, meaning "again" or "back." It functions as a derivational prefix indicating repetition. • hash: A verb of French origin (from 'hacher'), meaning "to chop into small pieces." In this compound, it functions as the base, carrying the core meaning of reworking or reusing material.