TSUMUGU · TOCFL 1 · 字
買
買 ＝ 罒 ＋ 貝
ㄇㄞˇ · mǎi
verb — to buy
字源 FORM — what the parts do
罒義a net — 网 flattened wide
A net (罒) over cowrie money (貝) — hauling goods in at the market: to buy. Put 出 on top and the goods go the other way: 賣, to sell (the 出 later wrote itself as 士).
故事 STORY — a scene to remember it by
網（罒）一撒，貝殼錢（貝）全進了袋。
The net (罒) drops over the cowries (貝) — the whole market hauled home.
字源記憶法
意 · Meanings
(本義)購買— to buy常用
→買賣— trade — buying and selling as one word
(本義) original meaning · → ⇒ each arrow = one more step of extension