TSUMUGU · TOCFL B2 (est.) · 字
拓
拓 ＝ 扌 ＋ 石
ㄊㄨㄛˋ · tuò
verb — to open up, expand, clear (new ground)
字源 FORM — what the parts do
扌義the hand — pushing outward
IFTshí → tuò — the whole reading shifts far
The hand (扌) pushing ground open — 石 shí gives the sound, dragged all the way to tuò. The original was to pick up; the living sense is to clear and open new ground: 開拓、拓展、拓荒.
故事 STORY — a scene to remember it by
手（扌）推開石（石），清出一片荒地——開拓。
The hand (扌) shoves the stones (石) aside, clearing raw ground — to open up.
字源記憶法
意 · Meanings
(本義)拾取— to pick up
→開拓、拓展— to open up, expand常用
⇒拓荒、拓殖— to clear new ground, settle
(本義) original meaning · → ⇒ each arrow = one more step of extension