Italian edit

Etymology edit

Borrowed from Sardinian filuferru.

Noun edit

filuferru m (invariable)

  1. a type of grappa from Sardinia

Sardinian edit

Etymology edit

From filu (thread) +‎ ferru (iron); the name is generally considered to reference how grappa containers were hidden from authorities by being buried with thread attached for later retrieval.

Noun edit

filuferru m (invariable)

  1. A type of grappa from Sardinia.