部屋別総当り

へやべつそうあたり

noun

•

rule prohibiting match-ups between wrestlers from the same stable(sumo term)

部	section, bureau, dept, class, copy, part, portion, counter for copies of a newspaper or magazine
屋	roof, house, shop, dealer, seller
別	separate, branch off, diverge, fork, another, extra, specially
総	general, whole, all, full, total
当	hit, right, appropriate, himself