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.[1][2][3]
Yezo
- Dated spelling of Ezo.
- ^ Kondō, et al. (2005). Nihongo no Rekishi. Hōsō Daigaku Kyōiku Shinkōkai. p. 67-71
- ^ Yamaguchi et al. (1997). Nihongo no Rekishi. Tōkyō Daigaku Shuppankai. p. 43-45
- ^ Frellesvig, Bjarke (1995). A Case Study in Diachronic Phonology: The Japanese Onbin Sound Changes. Aarhus University Press. p. 73
