TSUMUGU · TOCFL C1 (est.) · 字
樑
ㄌㄧㄤˊ · liáng
noun — beam, girder; bridge
字源 FORM — what the parts do
梁 already wrote the beam — water crossed by cut timber, a bridge. When the wood needed spelling out, another 木 was added on top: 樑. The two are written for each other; 樑 leans on the structural beam, 房樑、橋樑.
故事 STORY — a scene to remember it by
水上架一道砍好的木頭（梁），上頭再壓一根（木）——一根扛起整間屋的大樑。
Cut timber thrown across water (梁), another log (木) laid on top — the beam that holds up the whole house.
字源記憶法
意 · Meanings
(本義)房樑、棟樑— a roof beam常用
→橋樑— a bridge常用
⇒脊樑— the spine; a backbone
(本義) original meaning · → ⇒ each arrow = one more step of extension