TSUMUGU · TOCFL B2 (est.) · 字
薯
薯 ＝ 艸 ＋ 署
ㄕㄨˇ · shǔ
noun — yam, potato, tuber
字源 FORM — what the parts do
艸義grass (艸) — the plant radical, written 艹
Grass (艸, written 艹) marks the plant; 署 shǔ carries the sound straight across. Together they name the tuber crops — 番薯, 馬鈴薯, 薯條 — the starchy roots that grow underground.
故事 STORY — a scene to remember it by
葉子（艹）在地面晃，真正的薯埋在土底下。
The leaves (艸) wave above ground; the real tuber sits buried below.
字源記憶法
意 · Meanings
(本義)薯— tuber, yam, potato常用
→番薯、馬鈴薯— sweet potato; potato
(本義) original meaning · → ⇒ each arrow = one more step of extension