公序良俗
こうじょりょうぞく public order and morals; social standards
Why it means this
A four-character legal phrase: 公序 (public order) + 良俗 (good morals) — the standard a contract must not offend.
Breakdown
- 公 おおやけ public, prince, official
- 序 ジョ preface, beginning, order
- 良 リョウ good, pleasing, skilled
- 俗 ゾク vulgar, customs, manners
Each character links to its full entry — origin story, stroke order, and readings.