progenitor

• Franzia is most recently known as the progenitor of "Two Buck Chuck," an inexpensive wine sold at Trader Joe's stores under the Charles Shaw label. —  AroundTheCapitol.com
• Every habitant is content with his farm as handed down to him by his progenitor, and the higher classes who hold the seigneuries are satisfied with their seignorial rights and the means of exaction which they afford to them. —  Diary in America, Series Two
• This relation has a clear meaning on my view of the subject: I look at all the species of the same genus as having as certainly descended from the same progenitor, as have the two sexes of any one of the species. —  On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition)
• Most of the arguments which have convinced me that all the existing species of the same group have descended from one progenitor, apply with nearly equal force to the earliest known species. —  On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition)
• If we suppose that the ancient progenitor, the archetype as it may be called, of all mammals, had its limbs constructed on the existing general pattern, for whatever purpose they served, we can at once perceive the plain signification of the homologous construction of the limbs throughout the whole class. —  On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. (2nd edition)

Roget's II: The New Thesaurus

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