TSUMUGU · TOCFL B1 (est.) · 字
症
症 ＝ 疒 ＋ 正
ㄓㄥˋ · zhèng
noun — a symptom; an illness, condition
字源 FORM — what the parts do
疒義sickness
Sickness (疒) named by sound — the symptom, the form an illness takes. 正 zhèng carries the sound, exact, the same donor under 證 and 政. From the sign of illness: 症狀, 病症, the named 癌症, 後遺症.
故事 STORY — a scene to remember it by
醫生看那病（疒）露出的樣子，對上一個名目——症。
The doctor reads the shape the illness (疒) shows and matches it to a name — a symptom.
字源記憶法
意 · Meanings
(本義)症狀— a symptom常用
→病症、癌症— an illness; cancer常用
⇒後遺症、綜合症— aftereffect; syndrome
(本義) original meaning · → ⇒ each arrow = one more step of extension