TSUMUGU · TOCFL 1 · 字
紅
紅 ＝ 糸 ＋ 工
ㄏㄨㄥˊ · hóng
adj — red
字源 FORM — what the parts do
糸義silk threads
{g,k,h}ITgōng → hóng — g slid to h inside {g,k,h}; 江、虹 ride 工 too
Dyed silk (糸); 工 gōng gives the sound, g slid to h. 說文 keeps the first shade: silk between red and white — pink. The dye deepened to red itself, then into luck: 紅包、走紅.
故事 STORY — a scene to remember it by
絲（糸）從染缸裡撈出來，晾上竹竿，滴下來的水都是紅的。
Silk (糸) lifted from the dye vat, hung on the pole — even the drips run red.
字源記憶法
意 · Meanings
(本義)紅— the pink of dyed silk
→紅色— red常用
⇒紅包— the red envelope
⇒走紅— to be hot — a name in red
(本義) original meaning · → ⇒ each arrow = one more step of extension
關 · Related
虹hóngthe same sound on the insect 虫 — the rainbow綠＝ ＋ 彔lǜdyed in the same silk — green