TSUMUGU · TOCFL 1 (est.) · 字
匙
匙 ＝ 匕 ＋ 是
ㄔˊ · chí
noun — spoon; (in 鑰匙) key
字源 FORM — what the parts do
匕義a spoon, the old ladle pictograph
{zh,ch,sh}ITshì → chí — the sibilant shifted, tone with it
匕 is the old picture of a spoon. 是 shì lends the sound, worn to chí. A small dipper for soup, and the toothed dipper that lifts a lock: 湯匙、鑰匙.
故事 STORY — a scene to remember it by
一支小勺（匕），是（是）誰留在碗裡的？
A little spoon (匕) — whose (是) is it, left in the bowl?
字源記憶法
意 · Meanings
(本義)湯匙、茶匙— spoon常用
→鑰匙— key — the toothed dipper for a lock常用
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
匕bǐthe lookalike — 匕 is the bare spoon; 匙 adds for this particular one是shìthe sound it borrows — to be, yes