読書三余 どくしょさんよ Meanings Noun winter, night, and rainy weather; the ideal conditions for reading Kanji 読 read. Read as ドク. 書 write. Read as ショ. 三 three. Read as サン. 余 surplus. Read as ヨ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists