TSUMUGU · TOCFL A1 (est.) · 字
既
既 ＝ 皀 ＋ 旡
ㄐㄧˋ · jì
adv — already, having done; conj — since, given that
字源 FORM — what the parts do
皀義a heaped food bowl — the meal
旡義a kneeling figure, head turned away, mouth full — done eating
On the left a heaped food bowl (皀); on the right 旡, a person turned away from it, full, the meal finished. Together: the eating is over — already done. From there: given that a thing is already so, 既然: 既然、既往.
故事 STORY — a scene to remember it by
飯（皀）吃完，人（旡）一扭頭離桌——既，已經了。
The bowl (皀) emptied, the person (旡) turns from the table — done, already.
字源記憶法
意 · Meanings
(本義)既畢、食既— to have finished常用
→已經、既成— already, having become常用
⇒既然、既往— since, given that; the past gone by
(本義) original meaning · → ⇒ each arrow = one more step of extension