平ひら幕まく

ひ

ら

ま

く

Common wordFreq.FrequencyTop 100,000

Meanings

1

noun

rank-and-file wrestlers in the top division

sumo

Sumo term for makuuchi wrestlers who are not in the titled ranks (yokozuna, ozeki, sekiwake, komusubi).

平even, flat, peace

幕curtain, bunting, act of play

幕まく内うち
幕内 refers to the entire top division, while 平幕 specifically denotes the wrestlers in that division who are not in the titled ranks.
三さん役やく
三役 refers to the three titled ranks below yokozuna (ozeki, sekiwake, komusubi), which are above 平幕.

From 平 (hira, 'ordinary') + 幕 (maku, 'curtain'), referring to the lower part of the makuuchi division curtain.