▁first ▁known ▁reference ▁to ▁the ▁k abb ad ion ▁occurs ▁in ▁the ▁K let or olog ion ▁of ▁ 8 9 9 , ▁where ▁it ▁is ▁mentioned ▁as ▁the ▁dress ▁of ▁the ▁bar bar ian ▁( eth nik oi ) ▁members ▁of ▁the ▁Emperor ' s ▁body guard , ▁the ▁H eta ire ia . ▁It ▁re - app ears ▁in ▁the ▁mid - 1 4 th ▁century ▁in ▁the ▁Book ▁of ▁Off ices ▁of ▁pseudo - K od inos ▁as ▁the ▁standard ▁cer emon ial ▁dress ▁for ▁almost ▁all ▁court ▁members . ▁K od inos ▁describes ▁it ▁as ▁an ▁" Ass y rian " ▁gar ment ▁adopted ▁by ▁the ▁Pers ians , ▁clearly ▁indicating ▁a ▁proven ance ▁from ▁the ▁Islam ic ▁world . ▁It ▁is ▁therefore ▁usually ▁equ ated ▁with ▁the ▁long , ▁c aft an - like ▁and ▁full - s lee ved ▁t unic ▁worn ▁by ▁various ▁By z antine ▁officials ▁in ▁dep ict ions ▁of ▁the ▁ 1 3 th – 1 5 th ▁centuries . ▁It ▁fast ened ▁down ▁the ▁front ▁and ▁was ▁worn ▁with ▁a ▁bel t . ▁Its ▁colour ▁and ▁decor ation ▁were ▁determined ▁by ▁rank , ▁as ▁described ▁by ▁K od inos ; ▁it ▁was ▁usually ▁rich ly ▁decor ated ▁with ▁gold ▁emb roid eries ▁on ▁the ▁col lar ▁and ▁on ▁borders ▁along ▁the ▁sle e ves ▁and ▁hem , ▁and ▁could ▁be ▁ad orn ed ▁with ▁p ear ls . ▁ ▁S ources ▁ ▁Category : By z antine ▁cl othing ▁Category : C