土ど俵ひょう開びらき

noun

ring-opening ceremony

Sumo term: a ceremony held when a new dohyō (ring) is built in a stable, marking its first use.

• 新あたらしい部屋へやの土ど俵ひょう開びらきには、多おおくの力りき士しが集あつまった。

  Many wrestlers gathered for the ring-opening ceremony of the new stable.