antecedent
Definitions
A thing or event that existed before or logically precedes another.
A word, phrase, or clause to which a subsequent pronoun or other pro-form refers.
A person's ancestors or family and social background.
Examples
The pronoun 'he' refers back to its antecedent, 'John', in the first sentence.
A lack of exercise is often an antecedent to various long-term health problems.
The historical antecedent of the modern computer can be traced back to the analytical engine.
Synonyms
precursor predecessor forerunner ancestor prior preceding forebear
Antonyms
successor descendant consequent result outcome aftermath sequel