Wuhuan
Refers to the Wuhuan, a proto-Mongolic nomadic people active in ancient East Asia, often mentioned in Chinese and Japanese historical contexts.
The Wuhuan were a nomadic people active in northern China during the Later Han period.
Alternate kanji spelling, also used in historical texts.
From Chinese 烏丸／乌丸 (Wūhuán), the historical name for the Wuhuan people.