TSUMUGU · TOCFL B1 (est.) · 詞
規矩
ㄍㄨㄟ ㄐㄩˇ · guīju
noun — rules, established custom; adjective — well-behaved, proper
字源 FORM — what the parts do
規a compass for drawing circles; a rule (規則)guī
矩a carpenter's set-square (矩形)jǔ
規矩，規則的規，矩形的矩。
故事 STORY — a scene to remember it by
圓靠圓規（規）畫，方靠角尺（矩）量——兩把工具，量出規矩。
The circle comes from a compass (規), the square from a set-square (矩) — two measuring tools, and from them, the rules.
字源
關 · Related
則guīzéthe formal word for rules — same 守shǒuguījuto follow the rules — the common collocation