Learn how to say Waning correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word wane:
1(of the moon) have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size.
2(of a state or feeling) decrease in vigour or extent; become weaker:
confidence in the dollar waned
on the wane
becoming weaker or less extensive:
the epidemic was on the wane
Old English wanian ‘lessen’, of Germanic origin; related to Latin vanus ‘vain’