天てん変ぺん

noun

irregular natural phenomenon in the sky

Refers to unusual or abnormal celestial or atmospheric events, such as comets, eclipses, or strange weather patterns. Often used in historical or literary contexts.

• 昔むかしの人ひとは天てん変ぺんを不ふ吉きつの前ぜん兆ちょうと考かんがえた。