Formal or literary term for a prisoner of war or captive. Not used in everyday conversation; more likely in historical or literary contexts.
Emishi allied with the Japanese (Nara/Heian)
Historical term referring specifically to Emishi people who allied with the Japanese court during the Nara and Heian periods. Rare and specialized.
See also: 蝦夷
In ancient documents, there are descriptions about the treatment of prisoners of war.
俘囚 is a historical term referring to groups of Emishi who submitted to the imperial court.