TSUMUGU · A2 (est.) · 字
鬆
鬆 ＝ 髟 ＋ 松
ㄙㄨㄥ · sōng
adj — loose, slack, fluffy; verb — to loosen, to relax
字源 FORM — what the parts do
髟義long, hanging hair — the windblown strands across the top
Long hair (髟) over 松 sōng — the pine, needles spread open, lends both the sound and the loose-spread picture. Together: hair unbound, anything slack or fluffed out: 放鬆、鬆軟.
故事 STORY — a scene to remember it by
一頭長髮（髟）散開，像松針（松）一樣根根分開——鬆了。
A head of long hair (髟) shaken loose, every strand parted like pine needles (松) — slack at last.
字源記憶法
意 · Meanings
(本義)鬆、不緊— loose, slack常用
→放鬆、鬆弛— to relax, to slacken常用
⇒鬆軟、肉鬆— fluffy — soft dough, meat floss
(本義) original meaning · → ⇒ each arrow = one more step of extension