caf·tan or kaf·tan 
(kăftăn′, -tən, kăf-tăn)
(kăftăn′, -tən, kăf-tăn)n.
1. A full-length garment with elbow-length or long sleeves, worn chiefly in eastern Mediterranean countries.
2. A westernized version of this garment consisting of a loose, usually brightly colored waist-length or ankle-length tunic.
[Russian kaftan, from Ottoman Turkish qaftān (equivalent to Modern Turkish kaftan), from Old Turkic qaptan, alteration of earlier *qāp-tōn : qāp, sack + tōn, garment.]