0
grandparent
0
grandparents
0
grandsire
0
guardian
0
harbinger
0
herald
0
nucleus(cause, influence, connection, source, derivation)
0
papa
0
parentage(noun, cause, influence, connection, source)
0
paterfamilias(noun, paternity)
0
patriarch
0
patriarchs
0
predecessors
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progenitors
0
progenitress
0
provenience(noun, cause, influence, source, origin)
0
roots(cause, influence, connection, source, derivation)
0
seed(cause, influence, connection, source, derivation)
0
starting point(expression, cause, source, derivation)
0
wellspring(person, cause, influence, source, derivation)
10 years ago|5.5k views|share |citing 
APASmart Define. (2016). progenitor thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/progenitor/thesaurus/synonyms
ChicagoSmart Define. 2016. "progenitor thesaurus" https://smartdefine.org/progenitor/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, progenitor thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/progenitor/thesaurus/synonyms>.
MLASmart Define. "progenitor thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/progenitor/thesaurus/synonyms>