noun
Rinko era (sumo)
A sumo-specific historical term referring to the period in the mid-1970s when yokozuna Wajima and Kitanoumi dominated the sport. Used primarily in sumo commentary and historical discussions.
輪湖時代は、輪島と北の湖の二人の横綱がしのぎを削った。
The Rinko era was a time when the two yokozuna, Wajima and Kitanoumi, competed fiercely.