posteen
/pɒʃˈtiːn/(also poshteen, poshtin, pushtin)
noun
A coat or jacket, chiefly of Afghan origin, made of animal hide (generally sheepskin) retaining the fleece on the inside.
Origin
Early 19th century; earliest use found in Mountstuart Elphinstone (1779–1859), administrator in India. From Persian regional pōstīn, Persian pūstīn coat of fur or fleece from early modern Persian pōst skin, hide, pelt.