ケイトウベツソウアタリ
Meanings
Noun
Sumo
1. rule prohibiting match-ups between wrestlers from the same family
Composed of
system; lineage; ancestry; group (e.g. of colors) (colours); family (e.g. of languages); close (evolutionary) relationship
distinction; difference; separate; different; exception; exclusion
round robin; having no losing tickets (of a lottery); brute force (in cryptography); using all combinations