蓼藍 [ㄌㄧㄠˇ ㄌㄢˊ; liao3 lan2] indigo dye Polygonum tinctorium ◄ ►
蓼藍 たであい タデアイ noun (common) (futsuumeishi) see: 藍・1 word usually written using kana alone dyer's knotweed (Persicaria tinctoria, used to produce indigo dye) ◄ ►