TSUMUGU · TOCFL 7 (est.) · 字
憊
ㄅㄟˋ · bèi
adj — exhausted, worn out, dead tired
字源 FORM — what the parts do
備 (bèi) over the heart (心) — 說文 reads it 疲極, worn to the very end. Where 備 means fully supplied, 憊 is its opposite told through the heart: emptied out, with nothing left — 疲憊. 備 lends the sound exactly.
故事 STORY — a scene to remember it by
走了一整天，心（心）裡像被掏乾了——疲憊。
A whole day on the road, and the heart (心) feels scraped clean — 疲憊.
字源記憶法
意 · Meanings
(本義)疲憊、困憊— exhausted, worn out常用
(本義) original meaning · → ⇒ each arrow = one more step of extension