Definition of polygenous in US English:

polygenous

adjective

  • 1Biology and Ethnology. Deriving from different ancestors or ancestral species; of or relating to polygenism. Now rare (historical in later use).

  • 2Textual Criticism. Deriving from more than one source or edition; relating to such an origin.

  • 3Of diverse origins; = "polygenetic".

Origin

Late 18th century (in an earlier sense). From poly- + -genous. Compare Hellenistic Greek πολυγενής of many families, of many aspects.