TSUMUGU · TOCFL 3 (est.) · 字
招
招 ＝ 扌 ＋ 召
ㄓㄠ · zhāo
verb — to beckon, wave over; to recruit; to attract, invite
字源 FORM — what the parts do
扌義the hand
Tzhào → zhāo — only the tone lifts
The hand (扌) waves someone in — to beckon, to call over. 召 zhào carries both the calling sense and the sound, the tone lifted to zhāo. 招手、招募、招牌.
故事 STORY — a scene to remember it by
他站在門口，手（扌）一揮，召（召）人進來——招手。
He stands at the door, the hand (扌) waving the call (召) in — beckoning them through.
字源記憶法
意 · Meanings
(本義)招手、招喚— to beckon, wave over
→招募、招生— to recruit, enrol常用
⇒招牌、招攬— to advertise, draw in
⇒招供、招認— to confess (call it out)
(本義) original meaning · → ⇒ each arrow = one more step of extension