noun
posthumous works; literary remains
Refers to writings, artworks, or other creative works left behind by a deceased person, often published or exhibited posthumously. A somewhat formal or literary term.
彼の遺草が没後出版された。
His posthumous works were published after his death.
この詩集は作家の遺草を集めたものだ。
This poetry collection is a compilation of the author's literary remains.
Compound of 遺 (i, 'leave behind') and 草 (sō, 'draft' or 'writing'). The exact historical derivation is uncertain, but the kanji combination conventionally refers to writings left by the deceased.