TSUMUGU · B1 (est.) · 字
釘
ㄉㄧㄥ · dīng
noun — a nail; (verb) to nail
字源 FORM — what the parts do
Metal (金) with 丁 dīng for the sound, exact — and 丁 is itself the picture of a nail, head on top and stem below. The metal version of that nail is the 釘: 釘子, and to drive one is to 釘.
故事 STORY — a scene to remember it by
一根金屬（金）的小東西，一頭一身，正是個丁（丁）——釘子。
A small thing of metal (金), a head and a stem — the very shape of 丁 — a nail.
字源記憶法
意 · Meanings
(本義)釘子、鐵釘— a nail常用
→釘住、釘上— to nail, to fasten down
⇒釘書機、螺絲釘— the stapler; the screw
(本義) original meaning · → ⇒ each arrow = one more step of extension