TSUMUGU · B1/B2 (est.) · 字
鑽
ㄗㄨㄢ · zuān/zuàn
verb — (zuān) to drill, bore; to study intensively; noun — (zuàn) a drill, a diamond
字源 FORM — what the parts do
FTzàn → zuān — the vowel opens, the tone falls away
A metal point (金) bites and turns — to drill. 贊 zàn carries the sound, the vowel opening to zuān. From boring a hole: 鑽研, to drill into a subject; and the hardest borer of all, the 鑽石 — diamond.
故事 STORY — a scene to remember it by
金（金）的尖頭抵住硬物，手腕一轉再轉——洞鑽出來了。
The metal (金) point set against something hard, the wrist turning and turning — the hole bored through.
字源記憶法
意 · Meanings
zuān
(本義)鑽孔— to drill, bore a hole常用
→鑽研— to study intensively — to drill into常用
zuàn
(引申)鑽石— a diamond — the hardest borer常用
(本義) original meaning · → ⇒ each arrow = one more step of extension