TSUMUGU · TOCFL 1 · 字
介
ㄐㄧㄝˋ · jiè
verb — to stand between; 介紹's 介
字源 FORM — what the parts do
介形rendered whole — see the two tellings
Standing between. The old graph carries two tellings: a person (人) between dividing marks, or a man with armor scales tied on front and back — either way, set between two sides. From the middle come the go-betweens: 介紹、仲介、介於.
故事 STORY — a scene to remember it by
兩個生人還不認識，他（人）站到中間，先說這邊的名字，再說那邊的。
Two strangers; he (人) steps between them, says one name, then the other.
字源記憶法
意 · Meanings
(本義)介於— to lie between
→介紹— to introduce常用
⇒仲介、媒介— the go-between
(本義) original meaning · → ⇒ each arrow = one more step of extension