湯種

water roux (aka tangzhong), a gelatinous paste made by heating a mixture of flour and water, used in breadmaking to produce a softer, fluffier loaf (loanword from Japanese 湯種 yudane)

surname Tang

rushing current

soup / hot or boiling water / decoction of medicinal herbs / water in which sth has been boiled

seed / species / kind / type / classifier for types, kinds, sorts

to plant / to grow / to cultivate