Völkerwanderung
/ˈfɜːlkəˌvɑːndərʊŋ, 〈德〉 ˈfœlkɛɐˌvandərʊŋ/noun
- a migration of peoples, especially that of Germanic and Slavic peoples into Europe from the 2nd to the 11th centuries民族大迁移（尤指2至11世纪日耳曼和斯拉夫民族向欧洲的迁移）。
词源
German， from Völker 'nations' + Wanderung 'migration'.