Progenitor
/proʊˈdʒɛnɪtər/
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Definition
(noun) A forefather, any of a person's direct ancestors.
Sentence Examples
The progenitor of the human race was named Tom.
Our progenitor was a preeminent rabbi in Lodz.
CEFR Practice Quiz
Darwin is considered the ____ of modern evolutionary theory through his work on natural selection.