TSUMUGU · TOCFL 1 (est.) · 字
努
ㄋㄨˇ · nǔ
verb — to exert, strive; to push hard
字源 FORM — what the parts do
Tnú → nǔ — same sound, the tone falls
Throw strength (力) into it — to strive. 奴 nú carries the sound, the same piece under 怒 and 弩. Bear down until it gives: 努力、努嘴.
故事 STORY — a scene to remember it by
繩子在手，腳一蹬，全身的力（力）都壓上去。
Rope in hand, feet braced, every ounce of strength (力) thrown into the pull.
字源記憶法
意 · Meanings
(本義)用力、使勁— to exert force, strive常用
→努力— to make an effort常用
⇒努嘴— to push the lips out (a signal)
(本義) original meaning · → ⇒ each arrow = one more step of extension