[Machine] Abu Ubayd said that this is a genius piece, which includes dyes and engravings, with one of them being a genius. It is called a genius because it is said to be related to a land called 'Abqar', where the face is worked on.
أَبُو عُبَيْدٍ قَوْلُهُ عَبْقَرِيٌّ هُوَ هَذِهِ الْبُسُطُ الَّتِي فِيهَا الْأَصْبَاغُ وَالنُّقُوشُ وَأَحَدُهَا عَبْقَرِيَّةٌ وَإِنَّمَا سُمِّيَ عَبْقَرِيًّا فِيمَا يُقَالُ إِنَّهُ نِسَبَةٌ إِلَى بِلَادٍ يُقَالُ لَهَا عَبْقَرٌ يُعْمَلُ بِهَا الْوَشْيُ