We sometimes describe this mingling as 'cross-pollination’ or ‘cross-fertilization’ — benign, bucolic metaphors that obscure the force of these encounters. When we wish to speak more plainly, we talk of ‘appropriation’ — a word now associated with the white Western world’s co-opting of minority cultures.
Via Mike Busarello's Digital Storybooks
How about "cross-polination" and "cross-fertilization" in cultures?
unit 3
Unit 3