簀す

noun

bamboo mat; reed mat

A mat made from split bamboo or reeds tied together. Rare standalone word; more often seen in compounds like 簀の子 (sunoko, slatted floor or drainboard) or in historical descriptions.

• 昔むかしの家いえでは、簀すを敷しいてその上うえに布ふ団とんを敷しいた。

  In old houses, they would lay a bamboo mat and put futons on top of it.