TSUMUGU · TOCFL 5 (est.) · 字
埃
埃 ＝ 土 ＋ 矣
ㄞ · āi
noun — dust, fine dirt; (in 埃及) the sound for Egypt
字源 FORM — what the parts do
矣聲yǐ — gives the sounda final-particle graph, here borrowed only for its reading
IFTyǐ → āi — the donor's reading drifted far from the modern sound
Earth (土) ground to its finest — dust. 矣 yǐ carries the sound, worn off from the modern reading. The fine grit underfoot: 塵埃. The sound also serves a borrowed name — 埃及, Egypt.
故事 STORY — a scene to remember it by
一陣風掠過乾土（土），揚起一層看不清的細末。
A gust skims the dry earth (土) and lifts a haze too fine to see.
字源記憶法
意 · Meanings
(本義)塵埃— dust, fine dirt常用
(假借)埃及— the sound used to write Egypt
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
矣yǐthe sound-donor on the right — alone it is a sentence-final particle挨＝ 扌 ＋ āithe sibling sound — 挨 takes a hand 扌 for the same , to lean close