noun
fur rug; fur cushion
A rug or cushion made of animal fur, used for sitting or decoration.
床に敷き皮を敷いて座った。
I sat on a fur rug spread on the floor.
noun
insole; inner sole
A leather or fur insert placed inside a shoe for comfort or warmth.
靴に敷き皮を入れると暖かい。
Putting an insole in your shoes keeps them warm.
Compound of 敷き (shiki, 'spreading') + 皮/革 (kawa, 'skin/leather'), literally 'spread skin'.