赤せっ気き

noun

red cloud; red vapor

Archaic term for a reddish atmospheric phenomenon, often interpreted as an auspicious or ominous sign in classical Chinese and Japanese texts.

• 古ふるい文ぶん献けんには、赤せっ気きが天てんに現あらわれたと記しるされている。

  Old documents record that a red vapor appeared in the sky.

noun

comet

Archaic term for a comet, based on the reddish appearance of some comets. Modern Japanese uses 彗星 (すいせい).

• 赤せっ気きは、昔むかし、彗すい星せいを指さす言こと葉ばとして使つかわれた。

  In the past, 赤気 was used as a word for comets.