Noun
An ancestor in the direct line; a forefather.
Source: Webster's dictionaryThe god, it would appear, was frequently thought of as the physical progenitor or first father of his people. William Robertson Smith
Though the large runt pigeon, with its massive beak and its huge feet, differs from its blue and barred progenitor the rock, it is a pigeon still. David Brewster
All living organisms fall into one of three large groups (domains) [Bacteria, Archeara, Eukarya] that define three branches of evolution from a common progenitor. Albert L. Lehninger
According to the mythology outlined by Virgil in the Aeneid, Romulus and Remus were both descendants of Aeneas through their mother Rhea Silvia, making Aeneas the progenitor of the Roman people. Source: Internet
Although Rodin is generally considered the progenitor of modern sculpture, Tucker, 16. he did not set out to rebel against the past. Source: Internet
Again it should be observable wherever it occurs, but it is less likely that the progenitor will ever have been observed prior to the explosion. Source: Internet