TSUMUGU · B1 (est.) · 字
堵
ㄉㄨˇ · dǔ
verb — to block, stop up; (measure) a stretch of wall
字源 FORM — what the parts do
ITzhě → dǔ — the initial and tone shift, the rhyme holds
Earth (土) packed up with 者 zhě for the sound, worn from zh to d. Five boards of rammed earth made one 堵 of wall — and a wall stops you, so 堵 turns to "block, stop up": 堵車、堵塞.
故事 STORY — a scene to remember it by
一面夯土的牆（土）橫在路口——車過不去，堵住了。
A wall of rammed earth (土) across the lane — nothing gets through, it is blocked.
字源記憶法
意 · Meanings
(本義)一堵牆— a stretch of wall常用
→堵塞、堵車— to block, to stop up常用
⇒心裡堵得慌— to feel stifled — blocked inside
(本義) original meaning · → ⇒ each arrow = one more step of extension