征夷 せいい Meanings Noun defeating barbarians (esp. the Emishi); conquering barbarians See also: 蝦夷 (えみし). Kanji 征 conquer. Read as セイ. 夷 barbarian; savage; Ainu. Read as イ. Words containing 征夷 征夷大将軍 (せいいたいしょうぐん) commander-in-chief of the expeditionary force against the barbarians (beginning in 794 CE) Jinuma: Japanese Dictionary · Word lists