unthread (unthreads, present participle unthreading; past and past participle unthreaded)

1. (transitive) To draw#Verb|draw or remove#Verb|remove a thread#Noun|thread from.
   • 1820, John Keats, “Isabella; or, The Pot of Basil. A Story from Boccaccio.”, in Lamia, Isabella, the Eve of St. Agnes, and Other Poems, London: Printed [by Thomas Davison] for Taylor and Hessey, […], OCLC 927360557 ↗, stanza XXXVII, page 67 ↗:

     Its eyes, though wild, were still all dewy bright / With love, and kept all phantom fear aloof / From the poor girl by magic of their light, / The while it did unthread the horrid woof / Of the late darken'd time,— {{...}

2. (transitive) To loosen the connections of.
3. (transitive) To make one's way through.

• Italian: sfilare, sfilarsi