TSUMUGU · TOCFL 1 · 字
太
太 ＝ 大 ＋ 丶
ㄊㄞˋ · tài
adv — too, overly; adj — utmost
字源 FORM — what the parts do
丶形the added mark — past big
Big (大) with one mark added — past big: utmost. From the top of the scale comes the everyday "too": 太貴、太忙. The utmost senses stay grand: 太陽、太太.
故事 STORY — a scene to remember it by
箱子夠大（大）了，東西還是塞不下——太多了。
The case is big (大) enough, and still the things will not fit — too much.
字源記憶法
意 · Meanings
(本義)極大— utmost — greater than great
→太貴、太忙— too — past the mark常用
→太陽— the sun — the utmost yang
⇒太太— Mrs. — the household honorific
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
大dàthe base — 太 adds the dot犬quǎnthe lookalike — dot on the shoulder is a dog; dot below, utmost