Artificial intelligent assistant

opus filatorium

opus filatorium
  (ˈɒpəs fɪlaˈtɔərɪəm)
  [med.L., lit. ‘work of threads’.]
  An early name for darned netting or spiderwork. Cf. opus araneum above.

1882 Caulfeild & Saward Dict. Needlework 233/1 In this lace [sc. Guipure d'Art]..we have the modern revival of the Opus Filatorium, or Darned Netting, or Spiderwork, so much used in the fourteenth century. 1883 J. W. Mollett Illustr. Dict. Art. & Archæol. 235/2 Opus filatorium, a kind of embroidery, 14th century; modern ‘filet brodé’.

Oxford English Dictionary

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