Refers to the act of revising or reforming something, often in a formal or literary context. The word is rare and may be replaced by more common terms like 改訂 or 改革 in modern Japanese.
The revision of this law took a long time.
The revision work of the history book was carried out carefully.
The kanji 刪 means 'cut' or 'delete', and 修 means 'repair' or 'amend'. Together they suggest the idea of cutting and fixing, i.e., revision. The exact historical derivation is uncertain; the word is rare and likely a Sino-Japanese compound.