TSUMUGU · TOCFL B2 (est.) · 字
勁
勁 ＝ 力 ＋ 巠
ㄐㄧㄣˋ · jìn
noun/adj — strength, energy, vigor; strong, tough
字源 FORM — what the parts do
巠聲jīng — gives the soundwarp threads running straight on the loom
Tjīng → jìn — the tone falls; the final closes too
Strength (力) drawn taut and straight — vigor, a hard pull. 巠 jīng carries the sound and its own taut-warp picture; the same 巠 builds 經、輕、徑.
故事 STORY — a scene to remember it by
那股力（力）像織機上的經線（巠）繃得筆直，一拉就有勁。
The strength (力) is drawn straight as the warp-threads (巠) on a loom — one pull and the force is there.
字源記憶法
意 · Meanings
(本義)勁頭、力勁— strength, energy, vigor常用
→勁敵、強勁— strong, formidable
⇒起勁、帶勁— with gusto, in high spirits
(本義) original meaning · → ⇒ each arrow = one more step of extension