coffle

cof·fle

C0459500 (kô′fəl, kŏf′əl)n. A group of animals, prisoners, or slaves chained together in a line.tr.v. cof·fled, cof·fling, cof·fles To fasten together in a coffle.
[Arabic qāfila, caravan, feminine active participle of qafala, to close, return; see qpl in Semitic roots.]

coffle

(ˈkɒfəl) n(esp formerly) a line of slaves, beasts, etc, fastened together[C18: from Arabic qāfilah caravan]

Coffle

 a train of slaves or of beasts driven along together.Examples: coffle of asses, 1799; of beasts; of horses, 1873; of slaves, 1799.