noun, noun or participle which takes 'suru'
Refers to the wane of the moon; a technical or literary term for the decreasing phase of the moon. Often used in astronomical or poetic contexts.
月がウェインする時期は、夜空が少し暗くなる。
During the period when the moon wanes, the night sky becomes a little darker.
ウェインの月は、満
The waning moon transitions from full moon to new moon.