TSUMUGU · B1 (est.) · 字
吞
ㄊㄨㄣ · tūn
verb — to swallow; to swallow up, annex
字源 FORM — what the parts do
IFtiān → tūn — initial and rime both moved
The mouth (口) takes the whole thing down — to swallow. 天 tiān rides on top for the sound, worn far from its donor. What a mouth swallows it can also swallow up: 吞併、吞噬.
故事 STORY — a scene to remember it by
嘴（口）張到能裝下一片天（天）——整個吞下去。
The mouth (口) opens wide enough to take the whole sky (天) — swallowed whole.
字源記憶法
意 · Meanings
(本義)吞食、吞下— to swallow常用
→吞併— to swallow up, annex
→吞吐— to take in and let out
(本義) original meaning · → ⇒ each arrow = one more step of extension