primogenitor
noun
pri·mo·gen·i·tor ˌprī-mō-ˈje-nə-tər 
: ancestor, forefather
Synonyms
- ancestor
- father
- forebear
- forbear
- forebearer
- forefather
- grandfather
- progenitor
See all Synonyms & Antonyms 
Example Sentences
the family held a huge reunion to mark the 200th anniversary of their primogenitors' arrival in America
Word History
Etymology
borrowed from New Latin prīmogenitor (Medieval Latin, "eldest son"), from prīmo- (in Late Latin prīmogenitus "firstborn," prīmogenitūra "condition of being the firstborn") + Latin genitor "father, parent, originator" — more at primogeniture, progenitor
First Known Use
1643, in the meaning defined above
primogenitors
noun
as in ancestors
a person who is several generations earlier in an individual's line of descent the family held a huge reunion to mark the 200th anniviersary of their primogenitors' arrival in America Synonyms & Similar Words
Relevance
- ancestors
- grandfathers
- fathers
- progenitors
- forefathers
- forbears
- forebears
- forebearers
- grandmothers
- antecessors
- predecessors
- patriarchs
- ancestresses
- matriarchs
- antecedents
- ancestries
- foremothers
- grandsires
- roots
- sires
Antonyms & Near Antonyms
- descendants
- descendents
- issues
- children
- families
- offspring
- seeds
- stocks
- seed
- daughters
- lineages
- sons
- progenies
- successors
- heirs
- offsprings
- inheritors
- posterities
- scions