Ostpolitik
/ˈɒstˌpɒlɪtiːk/noun
mass noun
- historical the foreign policy of détente of western European countries with reference to the former communist bloc, especially the opening of relations with the Eastern bloc by the Federal Republic of Germany (West Germany) in the 1960s〈史〉东方政策（西欧国家对前苏联和东欧国家的缓和外交政策, 尤指20世纪60年代联邦德国即西德对东欧国家建立正常关系的政策）。
词源
German, from Ost 'east' + Politik 'politics'.