straw sack

1. Origins, structure, and basic meaning

• Structure: 俵 denotes a straw sack or bale for grain and similar goods; independently, it is read たわら.
• Basic usage: It also counts sacks, as in 一俵; 土俵(どひょう) denotes a sumo ring.

2. Common pitfalls and similar expressions

• Object name and counter reading
  • 一俵 is read いっぴょう. Do not simply attach the independent reading たわら after a number.
• A figurative arena
  • 同じ土俵で競う can also mean competing on equal terms or under a shared standard.