polygenesis

/ˌpɑlɪˈdʒɛnəsɪs/
noun
  1. The theory or process of originating from multiple separate sources or ancestors, rather than a single one.
    • Some scholars argue for the polygenesis of agriculture, with independent developments in several regions.
    • The myth's polygenesis explains why similar stories appear in cultures that had no contact.
    • The polygenesis of the Indo-European languages is debated among linguists.
Antonyms