The story
- Japanese · borrowed from蝦夷
- English todayYezo
From Japanese 蝦夷 (Ezo). The initial y- (also found in Yedo, Yemishi, etc.) resulted from the merging between え (e) and 𛀁 (ye) into the latter in the 10th century CE.
Words from the same roots
Japanese蝦夷 all →
EzoEmishiYemishi
Etymology from Wiktionary, CC BY-SA 4.0.