Plant or vegetable substance used as a dye to change the colour of something.
Reproducing the Wall Painting of the Abduction of Persephone (Vergina-Macedonia): Conditions and Restrictions for a Successful Archaeological Experiment
Yes. From about the middle of the Danish Iron Age they began to colour their clothes in all sorts of colours. In the Early Iron Age, one had carefully sorted out the wool and made use of the natural colours of the yarn to create dice and striped patterns...