which means: "Its character: may come from herb/grass (茶 chá from 文字音義 Wénzì yīnyì in 736 AD), or from tree/wood (梌 tú from 本草經 Běncǎojīng, an ancient medical text), or the combination of the two (荼 tú from the 爾雅 Ěryǎ, atreatise on lexicography from the Han dynasty)