miniate

[min-ee-eyt] /ˈmɪn iˌeɪt/
verb (used with object), miniated, miniating.
1.
to illuminate (a manuscript) in red; rubricate.
Origin
1650-60; < Medieval Latin miniātus rubricated, illuminated, Latin: colored red with cinnabar, equivalent to mini(um) minium + -ātus -ate1
Related forms
miniator, noun