noun
vendor at a sumo tournament
Refers to a vendor or shop selling food, drinks, and souvenirs within a sumo tournament venue. The reading すもうぢゃや uses the historical kana spelling ぢ for じ.
相撲茶屋で焼き鳥とビールを買った。
I bought yakitori and beer at a sumo tournament vendor.
Compound of 相撲 (sumō, 'sumo') and 茶屋 (chaya, 'teahouse' or 'refreshment stand'). The reading ぢゃや is a historical kana usage for じゃや.