definitions

primogenitor

[ prahy-muh-jen-i-ter ]
/ ˌpraɪ məˈdʒɛn ɪ tər /
SEE MORE SYNONYMS FOR primogenitor ON THESAURUS.COM

noun

a first parent or earliest ancestor: Adam and Eve are the primogenitors of the human race.
a forefather or ancestor.

RELATED WORDS

lineage, derivation, bloodline, forebear, founder, forefather, origin, parentage, descent, genealogy, antecedent, extraction, heritage, ancestor, predecessor, parent, precursor, begetter, family, house

Nearby words

primitivism, primitivo, primo, primo de rivera, primo de rivera y orbaneja, primogenitor, primogeniture, primordial, primordial ovarian follicle, primordial soup, primordium

Origin of primogenitor

1645–55; < Late Latin prīmōgenitor ancestor, equivalent to Latin prīmō at first + genitor genitor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for primogenitor

primogenitor

/ (ˌpraɪməʊˈdʒɛnɪtə) /

noun

a forefather; ancestor
an earliest parent or ancestor, as of a race

Word Origin for primogenitor

C17: alteration of progenitor after primogeniture
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012