余よ効こう

noun

aftereffect; after effect

Refers to a lingering effect or consequence, often used in medical, scientific, or formal contexts.

• 薬くすりの余よ効こうで眠ねむ気けが続つづいた。

  I felt drowsy as an aftereffect of the medicine.

• 地じ震しんの余よ効こうとして、地じ盤ばん沈ちん下かが観かん測そくされた。

  Land subsidence was observed as an aftereffect of the earthquake.