夏の虫 なつのむし Meanings Noun summer insect See also: 夏虫 (なつむし). Expression (like a) moth flying into the flame See also: 飛んで火に入る夏の虫 (とんでひにいるなつのむし). Kanji 夏 summer. Read as なつ. 虫 insect. Read as むし. Words containing 夏の虫 飛んで火に入る夏の虫 (とんでひにいるなつのむし) rushing to one's doom Jinuma: Japanese Dictionary · Word lists