progenitor
Americannoun
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a biologically related ancestor.
a progenitor of the species.
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a person or thing that first indicates a direction, originates something, or serves as a model; predecessor; precursor.
the progenitor of modern painting.
noun
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a direct ancestor
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an originator or founder of a future development; precursor
Other Word Forms
- progenitorial adjective
- progenitorship noun
Etymology
Origin of progenitor
1350–1400; Middle English < Latin prōgenitor the founder of a family. See pro- 1, genitor
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But it began in 1993 with “Abraham,” progenitor of the Abrahamic religions and the co-star of “The Faithful.”
From Salon • Mar. 29, 2026
He could be the progenitor of a new look, a Christian Dior for the modern woman.
From Salon • Mar. 27, 2026
But the progenitor of the modern videogame is widely considered to be Steve Russell’s “Spacewar,” designed in 1961 as an exercise in computer programming when Russell was a student at the Massachusetts Institute of Technology.
From The Wall Street Journal • Feb. 9, 2026
These changes indicate a broad return to a more youthful cartilage profile without involving stem or progenitor cells.
From Science Daily • Jan. 20, 2026
It makes the progenitor of all this group of insecticides, DDT, seem by comparison almost harmless.
From "Silent Spring" by Rachel Carson
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.