Kyuuryu

...There are two theories about the tribes: the Thai-speaking tribes and the Tibetan-Burman-speaking tribes. According to the legend of their origin, a woman from Mount Lao, Shayi, gave birth to ten boys when she touched a sunken tree, the incarnation of a dragon, while fishing. The youngest son, Jiulong, was licked by the dragon and chosen to become the first king. At first, they had no dealings with China, but in 47 (the 23rd year of the Jianwu era), they became subordinate to China after being defeated in a war with the Later Han, and Yongchang County was established in their place.

*Some of the terminology explanations that mention "Kuryou" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…その種族についてはタイ語系諸族説とチベット･ビルマ語系諸族説に分かれている。始祖伝説によれば，牢山の婦人沙壱が魚とり中に竜の化身である沈木にさわって産んだ男子10人のうち，竜になめられた末子の九隆が選ばれて初代の王となったという。はじめ中国とは交渉をもたなかったが，47年(建武23)，後漢と戦って敗れると内属し，その地には永昌郡が置かれた。…

※「九隆」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報