吐と蕃ばんMeanings1nounTibetan Empirehistorical termHistorical term for the empire that ruled the Tibetan Plateau from 618 to 842 CE. Used in academic or historical contexts.吐と蕃ばんは7世せい紀きから9世せい紀きにかけて繁はん栄えいした。The Tibetan Empire flourished from the 7th to the 9th century.