progenitor
US /proʊˈdʒen.ə.t̬ɚ/
UK /proʊˈdʒen.ə.t̬ɚ/

1.
progenitore, antenato, fondatore
a person or thing from which a person, animal, or plant is descended or originates; an ancestor or parent.
:
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The first single-celled organisms were the progenitors of all life on Earth.
I primi organismi unicellulari furono i progenitori di tutta la vita sulla Terra.
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He is considered the progenitor of modern abstract art.
È considerato il progenitore dell'arte astratta moderna.