たであい 蓼藍 LinksSentence search for 蓼藍Sentence search for たであいSentence search for タデアイKanji details for 蓼 and 藍Edit in JMdict Noun1. dyer's knotweed (Persicaria tinctoria, used to produce indigo dye)Usually written using kana alone, See also 藍Other formsタデアイ Discussions Log in to talk about this word.