
1) Historical region
Found on
https://www.crosswordclues.com/clue/siyi
[Four Barbarians] Siyi was a derogatory Chinese name for various peoples bordering ancient China, namely, the Dongyi 東夷 `Eastern Barbarians`, Nanman 南蠻 `Southern Barbarians`, Xirong 西戎 `Western Barbarians`, and Beidi 北狄 `Northern Barbarians`. ==Terminology== The Chinese mytho-geography and cosmography of the Zhou Dynasty (c....
Found on
http://en.wikipedia.org/wiki/Siyi_(Four_Barbarians)
No exact match found.