Proto-Japanese is the reconstructed language stage from which all later varieties of Japanese, including Ryukyuan, descend. It has been studied both as an end i

The Languages of Japan and Korea provides detailed descriptions of the major varieties of languages in the region, both modern and pre-modern, within a common f

This book describes the Koguryo language, which was once spoken in Manchuria and Korea, including Koguryo and Japanese ethnolinguistic history, Koguryo's geneti

Japanese ranks as the ninth most widely spoken language of the world with more than 127 million speakers in the island state of Japan. Its genetic relation has

This book describes the Koguryo language, which was once spoken in Manchuria and Korea, including Koguryo and Japanese ethnolinguistic history, Koguryo's geneti