Answer:

dyestuff

AnswerCrossword Clue
DYESTUFFIndigo or henna.
DYESTUFFCoal tar, for example.
DYESTUFFColoring matter.
DYESTUFFTextile factory need.
DYESTUFFColoring base
DYESTUFFIndigo or henna
DYESTUFFIndigo or henna, e.g.