发绀

發紺
fāgàn
cyanosis (blue skin due to lack of oxygen in blood)

CEDICT

  1. (medicine) to be cyanotic
  2. to be cyanotic

Wiktionary

因身体缺少氧气，而致嘴脣及四肢指端呈现紫色。

重編國語辭典

接近皮肤表面的血管出现脱氧后的血红蛋白，令皮肤或黏膜带青色的徵状。

維基詞典

Entry Composition

1 发 fā
  1. to send out
  2. to show (one's feeling)
  3. to issue
  4. to develop
  5. to make a bundle of money
  6. classifier for gunshots (rounds)
2 绀 gàn violet or purple