読どく書しょ三さん余よ

noun

winter, night, and rainy weather as ideal reading times

A yojijukugo referring to the three spare times (三余) traditionally considered ideal for reading: winter (the year's spare time), night (the day's spare time), and rainy weather (the season's spare time). Used in literary or classical contexts.

• 読どく書しょ三さん余よという言こと葉ばは、冬ふゆ・夜よる・雨あめの日ひこそ読どく書しょにふさわしいという意い味みだ。