The word "eight-fold" is an adjective that means having eight units or components. When something is described as eight-fold, it indicates that it is multiplied by eight or has eight parts.
In more advanced contexts, "eight-fold" can also describe a ratio or comparison, such as when discussing growth or increase. For example: - "The company's profits increased eight-fold over the last year."
While "eight-fold" itself is not commonly found in idiomatic expressions or phrasal verbs, you can encounter phrases like: - "Fold in" (to mix ingredients lightly) in cooking. - "Fold up" (to collapse or close something).
In summary, "eight-fold" is a term that signifies having eight parts or components. It can be used in both everyday and formal contexts to describe the multiplicity of something.