major revision; far-reaching amendment; significant overhaul
Used for large-scale legal, regulatory, or systemic revisions. Often appears in news or official contexts.
A major revision of the Civil Code is scheduled for next year.
After a significant overhaul, stricter regulations were incorporated into this law.
Compound of 大 (large, great) and 改正 (revision, amendment). The exact historical derivation is uncertain, but the word follows a common pattern of prefixing 大 to indicate a major or comprehensive version of the base noun.