Definition of primogenitor in English:

primogenitor

noun

  • An ancestor, especially the earliest ancestor of a people; a progenitor.

    • ‘The primogenitor of countless domesticated breeds is the Red Junglefowl of southern Asia.’
    • ‘Regardless of whether Darwin is 100 percent correct and our primogenitors once walked on monkey hands, I doubt whether you'd find one person who would advocate that we deal with social problems in the same manner that baboons and chimps deal with them.’
    • ‘Does it remind us of the time way back in our racial memory when our primogenitors viewed in amazement the shadows dancing on the cave walls?’
    forebear, ancestor, predecessor, progenitor, father, grandfather, parent, grandparent
    View synonyms

Origin

Mid 17th century: variant of progenitor, on the pattern of primogeniture.

Pronunciation

primogenitor

/ˌprīmōˈjenədər/