TSUMUGU · TOCFL 3 (est.) · 字
驗
驗 ＝ 馬 ＋ 僉
ㄧㄢˋ · yàn
verb — to test, examine; noun — proof, verification
字源 FORM — what the parts do
僉聲qiān — gives the sounda roof gathering many mouths and hands below — all together
{q,j,x→y}ITqiān → yàn — the palatal initial slid off; tone shifts too
A horse (馬) brought out to be tried — the original word named a kind of horse, then the act of putting one to the test: 考驗、實驗. 僉 qiān carries the sound, the initial worn far off to yàn. What passes the test is the proof — 驗證.
故事 STORY — a scene to remember it by
牽出一匹馬（馬），當場跑一趟——快不快，試了才算數。
A horse (馬) led out and run on the spot — fast or not, you only know once it's tested.
字源記憶法
意 · Meanings
(本義)馬名— a kind of horse
→考驗、實驗— to test, examine常用
⇒驗證、應驗— proof; to bear out
(本義) original meaning · → ⇒ each arrow = one more step of extension