Definitions from Wiktionary (progenitor)

▸ noun:  A forefather, any of a person's direct ancestors.
▸ noun:  A person from whom one or more people (dynasty, tribe, nation…) are descended.
▸ noun:  (biology) An ancestral form of a species.
▸ noun:  (figuratively) A predecessor of something, especially if also a precursor or model.
▸ noun:  (figuratively) Someone who originates something.
▸ noun:  A founder.
▸ Also see progenitor

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