racinage

[ ras-uh-nahzh; French ra-see-nazh ]
/ ˌræs əˈnɑʒ; French ra siˈnaʒ /

noun

decorative treatment of leather with colors and acids to produce a branchlike effect.

Origin of racinage

< French, equivalent to racine root (< Late Latin rādīcīna, for Latin rādīx, stem rādīc- root1) + -age -age