ges⋅so

- noun
1. gypsum, plaster of Paris or marble dust traditionally mixed with animal glue to use as an absorbent surface for painting.
2. any plasterlike preparation to prepare a surface for painting, gilding, etc.
3. a prepared surface of plaster or plasterlike material for painting, gilding, etc.

ink

- noun
1. a fluid or viscous substance used for writing or printing.
2. a dark, protective fluid ejected by the cuttlefish and other cephalopods.
3. publicity, esp. in print media.
- verb
4. to mark, stain, cover, or smear with ink.