noun
sekiwake (sumo rank)
The third-highest rank in professional sumo, below yokozuna and ozeki. Two wrestlers normally hold this rank at a time.
彼は先場所、関脇で10勝を挙げた。
He got 10 wins at the sekiwake rank last tournament.
The term is specific to sumo and its origin within the sport is well-established, but the exact historical derivation of the kanji compound is uncertain.