TSUMUGU · TOCFL C1 (est.) · 字
禎
禎 ＝ 示 ＋ 貞
ㄓㄣ · zhēn
noun — an auspicious sign, good omen
字源 FORM — what the parts do
貞聲zhēn — gives the soundthe divining shell (卜) asking, money (貝) at stake
At the altar (示) the omen reads good — a sign that the spirits favor you. 貞 zhēn carries the sound, an exact match, and brings its own picture of divining for an answer. From the altar's good reading: 禎祥, the lucky sign — the 禎 in the reign-name 崇禎.
故事 STORY — a scene to remember it by
祭台（示）前一占（貞），龜甲裂紋走得正——吉兆。
At the altar (示) the diviner (貞) reads the cracked shell — the lines run true, the sign is good.
字源記憶法
意 · Meanings
(本義)吉祥的兆頭— an auspicious omen, good sign常用
→禎祥— good fortune, blessing
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
貞zhēnthe phonetic, standing alone — 貞 keeps the shell-and-shell divining, 禎 sets it on the altar 偵＝ 人 ＋ zhēnsame sound donor — 偵 sends a person 亻 to find out