TSUMUGU · A2 (est.) · 字
藍
藍 ＝ 艸 ＋ 監
ㄌㄢˊ · lán
noun/adj — blue; the indigo plant
字源 FORM — what the parts do
艸義grass — the dye plant (寫作 艹)
IFjiān → lán — both shifted off the donor
The indigo plant (艹) is what makes the dye — 染青艸. 監 jiān gives the sound, worn far from its donor to lán. From the dye, the color: 藍色、藍天. The same 監 builds 籃、鑑、濫.
意 · Meanings
(本義)藍草— the indigo plant
(引申)藍色— blue常用
→藍天、藍圖— blue sky; a blueprint
(本義) original meaning · → ⇒ each arrow = one more step of extension