noun
indigo wax
A cylindrical solid made from indigo dye froth, often boiled with caustic soda; used as a pigment in traditional painting and crafts.
藍蝋は日本画の絵の具として使われることがある。
Indigo wax is sometimes used as a pigment in Japanese painting.
藍染めの工程で生じた泡から藍蝋を作る。
Indigo wax is made from the froth produced during the indigo dyeing process.