filigree

 
Pronunciation: /ˈfɪlɪgriː/
(also filagree)

noun

[mass noun]
  • ornamental work of fine (typically gold or silver) wire formed into delicate tracery: [as modifier]: filigree earrings figurative pine needles draped with a delicate filigree of mist

Origin:

late 17th century (earlier as filigreen, filigrane): from French filigrane, from Italian filigrana (from Latin filum 'thread' + granum 'seed')