| indigo | (n) deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye, Syn. indigo plant, Indigofera tinctoria |
| 青は藍より出でて藍より青し | [あおはあいよりいでてあいよりあおし, aohaaiyoriideteaiyoriaoshi] (exp) Although blue dye comes from the indigo plant, it is bluer than indigo; The student has overcome the master (from whom he has learned) [Add to Longdo] |