Correct
五胡
/ wǔ hú /
Strokes
Definition
Five non-Han people, namely: Huns or Xiongnu 匈奴[xīong nú], Xianbei 鲜卑[xiān bēi], Jie 羯[jié], Di 氐[dī], Qiang 羌[qiāng], esp. in connection with the Sixteen Kingdoms 304-439 五胡十六国[wǔ hú shí liù guó]
Example
As a Noun
five barbarian tribes ［the five nationalities in the north who invaded China in the 5th century BC: Xiongnu（匈奴），Xianbei（鲜卑），Jie（羯），Di（氐）and Qiang（羌）］