progenitor

n. a person who is a direct ancestor of a family or a group of people.

n. a direct biological ancestor from whom a person, family, or tribe is descended.

“The family traced their history back to a single progenitor who arrived in the country in 1850.”

“Genealogical research identified a common progenitor for the three distinct branches of the clan, dating back to the early seventeenth century.”

Formal

n. an early form of a plant or animal from which later types developed.

n. an ancestral biological form or species from which later organisms evolved.

“Scientists believe this small creature was the progenitor of all modern mammals.”

“The fossil record suggests that this primitive fern was the progenitor of several diverse plant species found in the region today.”

Technical

n. a person who starts a new way of thinking or a new movement.

n. the person who originates a specific movement, school of thought, or artistic style.

“He is considered the progenitor of modern architecture because of his simple designs.”

“Critics often cite the novelist as the progenitor of the magical realism movement, noting how her early works established the genre's core tropes.”

Academic · Formal

n. an early version of a machine or system that led to a better one later.

n. a precursor or model that serves as the basis for later developments of a non-living thing.

“This early computer was the progenitor of the laptops we use today.”

“The steam-powered carriage was the clumsy progenitor of the modern internal combustion automobile.”

Formal · Literary