The earliest clarity that the character "荼" contains the meaning of tea was in the "Book of Poetry Erya Shimu", and Guo Pu of the Jin Dynasty noted in the "Book of Poetry Erya Shimu": "Jia, bitter. The tree is as small as a gardenia, winterborn (meaning evergreen), and the leaves can be boiled for drinking. Today, those who pick early are called Ming, and those who take late are Ming, the bitterness of the name of the Shu people. "Judging by this note." 荼" is synonymous with "tea".
Xu Shen of the Eastern Han Dynasty also said in "Say Wen Xie Zi": "Xuan, bitter tea." ”
