TSUMUGU · B2 (est.) · 字
煤
ㄇㄟˊ · méi
noun — coal
字源 FORM — what the parts do
FTmǒu → méi — the ou closes to ei, tone shifts
Fire (火) and the black rock that feeds it — coal. 某 mǒu carries the sound, the ou closed to ei. From the burning stone come its soot and its mines: 煤炭、煤灰、煤礦.
故事 STORY — a scene to remember it by
一塊黑石頭丟進火（火）裡，燒得通紅——煤。
A black stone dropped into the fire (火), glowing red as it burns — coal.
字源記憶法
意 · Meanings
(本義)煤炭— coal常用
→煤灰— soot
→煤礦— coal mine
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
某mǒuthe phonetic alone — the tree-under-mouth, no fire yet炭tànthe partner in 煤炭 — charcoal from wood, against coal from the ground