progenitor

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pro|geni|tor /proʊdʒ'enɪtər/ (progenitors)
1 [N-COUNT] usu with poss
A progenitor of someone is a direct ancestor of theirs. (FORMAL)
He was also a progenitor of seven presidents of Nicaragua.
2 [N-COUNT] usu with poss
The progenitor of an idea or invention is the person who first thought of it. (FORMAL)
...Clive Sinclair, progenitor of the C5 electric car.
= originator

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