purfling
noun
[ ˈpəːf(ə)lɪŋ ]
• decoration with an ornamental border.
• "close examination of the violin shows that it contains the characteristic purfling"
purfle
verb
• decorate (something) with an ornamental border.
• "one of their bestselling items is a clear plastic raincoat purfled with ribbon"
Origin:
Middle English (as a verb): from Old French porfil (noun), porfiler (verb), based on Latin pro ‘forward’ + filum ‘thread’.