アイ
Meanings
Noun
Usually written in kana
1. dyer's knotweed (Persicaria tinctoria, used to produce indigo dye)
2. indigo (dye)
3. indigo (colour)
Pitch accent
Used in vocabulary (27 in total)
indigo-dyed leather
anil indigo (Indigofera suffruticosa); Assam indigo (Strobilanthes cusia)
Mercurialis leiocarpa (species of mercury whose leaves can be used to produce an indigo dye)