TSUMUGU · TOCFL B1 (est.) · 字
俱
ㄐㄩˋ · jù
adv — all, together; entirely
字源 FORM — what the parts do
A person (人) and 具 jù, which means to lay everything out, fully furnished. Together: people all present, all accounted for — 俱全、俱在. From all-together, the sweep of entirely: 一應俱全、聲淚俱下.
故事 STORY — a scene to remember it by
人（人）到齊了，東西也備足了（具）——一個不缺。
Everyone (人) is here and everything is laid out (具) — not one missing.
字源記憶法
意 · Meanings
(本義)俱全、俱在— all present, all together常用
→一應俱全— entirely, every one
(本義) original meaning · → ⇒ each arrow = one more step of extension