内うち俵だわら

noun

bales forming the edge of the sumo ring

Sumo term. Refers to the straw bales that form the inner edge of the dohyō (sumo ring).

• 力りき士しが内うち俵だわらに足あしをかけて残のこった。

  The wrestler kept his foot on the inner bales and stayed in the ring.