The word "beforemath" is a combination of two words - "before" and "aftermath". Thus, it refers to the time period before a significant event that results in an aftermath. Synonyms for "beforemath" include "precursor", "prelude", "prologue", "harbinger", "forewarning", "preliminary", and "lead-up". These words describe a situation where something is about to happen, and there are indications or signs that suggest the ultimate outcome. Using these synonyms in place of "beforemath" can help add variety and depth to your writing, making it more interesting for readers.