filigree
Concise Oxford English Dictionary © 2008 Oxford University Press:
filigree /ˈfɪlɪgriː/ (also filagree)
▶noun delicate ornamental work of fine gold, silver, or copper wire.
– derivatives
filigreed adjective.
filigreed adjective.
– origin C17 (earlier as filigreen, filigrane): from Fr. filigrane, from Ital. filigrana (from L. filum ‘thread’ + granum ‘seed’).
'filigree' also found in these Oxford entries:

