TSUMUGU · TOCFL 1 · 字
舊
舊 ＝ 萑 ＋ 臼
ㄐㄧㄡˋ · jiù
adj — old, former; the opposite of 新
字源 FORM — what the parts do
萑義a horned owl艹 the ear-tufts, 隹 the bird
臼聲jiù — gives the sound, exacta stone mortar, drawn hollow
A tufted owl (萑) over a mortar (臼) that gives the sound exactly — the bird's own name. "Old, not new" borrowed the graph whole and never gave it back: 舊衣服、舊家、舊書.
故事 STORY — a scene to remember it by
屋後的石臼（臼）上蹲著一隻角鳥（隹），天黑了才叫。
On the stone mortar (臼) behind the house sits the horned bird (隹); it calls only after dark.
字源記憶法
意 · Meanings
(本義)鴟舊— the horned owl — the bird's name
→舊— old, former常用
⇒懷舊— missing the old days
(本義) original meaning · → ⇒ each arrow = one more step of extension