The definition of a herald is a messenger or announcer.
Something that has been succeeded by another:
A person or thing that comes before to announce or give an indication of what follows; herald
Vanguard is defined as the leading position in a movement.
A forerunner or predecessor.
A source or cause; an origin:
Antecedent means a person who was born before you in your family.
A source from which something develops; originator or precursor
A false appearance; a pretense:
The definition of foresight is the ability to see or plan for what will happen in the future.
Find another word for precursors. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for precursors, like: forerunners, heralds, predecessors, harbingers, vanguards, messengers, ancestors, parents, antecedents, forebears and progenitors.