noun
sumo stable
A training and living facility where sumo wrestlers belong, managed by a stablemaster.
彼は相撲部屋で毎日厳しい稽古をしている。
He trains hard every day at the sumo stable.
Compound of 相撲 (sumō, 'sumo') and 部屋 (heya, 'room'), referring to the communal training and living quarters of a sumo stable.