progenitor

As a noun progenitor

is a forefather, any of a person's direct ancestors.

As a proper noun cush is

(biblical) the son of ham and grandson of noah, progenitor of the african peoples.

As nouns the difference between progenitor and progenitress

is that progenitor is a forefather, any of a person's direct ancestors while progenitress is a female progenitor.

As a noun progenitor

is a forefather, any of a person's direct ancestors.

As an adjective wellsian is

of or pertaining to (1866-1946), english writer regarded as a progenitor of science fiction, or his writings or politics.