TSUMUGU · A2 (est.) · 字
胎
ㄊㄞ · tāi
noun — a foetus; the womb; a tyre
字源 FORM — what the parts do
Ttái → tāi — only the tone moves
The growing flesh (月) carried inside the body — the foetus taking form in the womb. 台 tái carries the sound, the same piece in 抬 and 苔. From the thing carried within, then the round casing wrapped around a wheel: 胎兒、懷胎、輪胎.
故事 STORY — a scene to remember it by
母親肚子（月）裡，一團肉漸漸長出手腳——胎兒。
Inside the mother's body (月), a knot of flesh slowly grows limbs — the foetus.
字源記憶法
意 · Meanings
(本義)胎兒— a foetus常用
→懷胎、胎盤— to be pregnant; the placenta
⇒輪胎— a tyre — the casing round a wheel常用
(本義) original meaning · → ⇒ each arrow = one more step of extension