週休3日制 しゅうきゅうみっかせい Also written 週休三日制 Meanings Noun four-day workweek system See also: 週休二日制 (しゅうきゅうふつかせい). Kanji 週 week. Read as シュウ. 休 rest. Read as キュウ. 日 day 制 control. Read as セイ. Jinuma: Japanese Dictionary · Word lists