イチモンベツソウアタリ
Meanings
Noun
Sumo
1. obsolete rule prohibiting match-ups between wrestlers from the same group of stables
Composed of
family; clan; sect; school; group of related sumo stables
distinction; difference; separate; different; exception; exclusion
round robin; having no losing tickets (of a lottery); brute force (in cryptography); using all combinations