pigment

Etymology

From Middle English pigment, from Latin pigmentum (“pigment”), itself from pingō (“I paint”) + -mentum; variants of this word may have been known in Old English (e.g. 12th century pyhmentum). Doublet of pimiento, pimento, and piment.

noun

1. (biology) Any color in plant or animal cells
   Chlorophyll is the pigment responsible for most plants' green colouring.
2. A dry colorant, usually an insoluble powder
   Umber is a pigment made from clay containing iron and manganese oxide.
3. (obsolete) Wine flavoured with spices and honey.

verb

1. (transitive) To add color or pigment to something.