爛
- shine brightly;
- brilliant;
- overcooked;
- rotten;
Etymology
A phono-semantic compound:
火 (fire) — semantic component, indicates fire, burning, heat;
闌 (란) — phonetic component.
Originally, 爛 described something intensely burning, brightly shining.
Semantic evolution:
- burning brightly;
- radiant / brilliant;
- overcooked (due to fire);
- spoiled / rotten;
- terrible / awful.
Usage in Korean
찬란 (燦爛) — brilliant, splendid
부패 (腐爛) — decay, rot
Additional notes
爛 shows how meaning can invert:
fire → brilliance;
excess fire → destruction.
It illustrates how intensity can shift from radiance to ruin.
A strong example of historical semantic change.
Related characters:
燦 — brilliant, dazzling
明 — bright; clear
光 — light; radiance
腐 — to rot; decay
熟 — cooked; ripe
焦 — burned; scorched
Words that derived from 爛
爛
빛날
란/난
bitnal
ran/nan
Kangxi radical:86, 火 + 17
Strokes:21
Unicode:U+721B
Cangjie input:
- 火日弓田 (FANW)
Composition:
- ⿰ 火 闌