entries → 膊
TSUMUGU · A2 (est.) · 字
character · A2 (est.)
膊 =
ㄅㄛˊ · bó
noun — the upper arm (in 胳膊)

字源 FORM — what the parts do

flesh (writes as 月)
fū — gives the sound, worn to bó甫 over 寸 — a hand spreading something out
{b,p,f}Ifū → bó — the {b,p,f} crossing
Flesh (肉, written 月) and 尃 fū for the sound, worn to bó. A part of the body — the upper arm and shoulder. It pairs with 胳 to make 胳膊, the arm; bared to the shoulder is 赤膊.

故事 STORY — a scene to remember it by

上臂(月)那塊肌鼓起來——膊。
The muscle of the upper arm (月) swells up — 膊.
字源記憶法
意 · Meanings
(本義)上臂、肩膀— the upper arm, the shoulder
胳膊— the arm常用
赤膊— bare to the waist
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
= 十 + the series — 十 beside it for broad, wide-rangingthe bare phonetic — add flesh and it becomes the upper arm