あいろう
Meanings
Noun
1. indigo wax; cylindrical shape made from indigo dye froth, often by boiling the froth with caustic soda, used for coloring paintings, etc.
Pitch accent
いろう
ろう
Composed of
dyer's knotweed (Persicaria tinctoria, used to produce indigo dye); indigo (dye); indigo (colour)
wax