• n. It might be a borrowing from the Latin "lingua". A historical term that refers to the small weight, typically elongated in shape or made from a length of heavy wire, suspended from the loop or heddle through which each warp end passes, that is, on the lower en of the leash in a drawloom.

• http://vocab.getty.edu/aat/300247544 (Silk Heritage Thesaurus)

• CIETA. Vocabulary of technical terms of fabrics (English, French, Italian, Spanish). Lyon: Centre  International d’Etude des Textiles Anciens, 1964; Simpson, John; Weiner, Edmund (eds). The Oxford English Dictionary. Oxford : Clarendon Press ; Oxford ; New York : Oxford University Press, 1989. [www.oed.com]; Burnham, Dorothy. Warp and Weft. A Textile Terminology. Royal Ontario Museum, 1980.

http://data.silknow.org/vocabulary/495