Entertainment / Literature / Feathering: As Kathleen Scott describes this sort of decoration, it is 'a spray form of decoration, consisting of short, slightly curving pen lines often ending in a lobe (after c. 1410 usually tinted green), gold motifs, and coloured motifs, [. . .] A basic element of 15th-century book decoration' (Scott 371).
Search Google for Feathering: