Precursor

/prɪˈkɜrsər/

Meaning & Definition

noun
A person or thing that comes before another of the same kind; a forerunner.
The prototype served as a precursor to the final model.
A substance from which another is formed, especially by metabolic reaction.
The medication is a precursor to a more potent drug.
A signal or indication of something to come.
The dark clouds were a precursor to the storm that would soon arrive.

Etymology

Latin, 'praecursor', from 'praecurs-', the past participle stem of 'praecurrere', meaning 'to run ahead'

Common Phrases and Expressions

precursor to change:
A sign or indicator that something new is about to happen.
precursor of innovation:
Something that indicates future developments in technology or ideas.
biological precursor:
A substance that is transformed into another substance within a biological context.

Related Words

Slang Meanings

Someone or something that foreshadows a trend.
That influencer is a precursor to the fashion trends we see now.