1wane 
/ˈweɪn/ verb
wanes; waned; wan·ing /ˈweɪn/ verb [no obj] 1 of the moon : to appear to become thinner or less full
▪ The moon waxes and then wanes. 2 : to become smaller or less : to decrease in size, amount, length, or quality
▪ The scandal caused her popularity to wane. ▪ Interest in this issue has continued to wane. ▪ the waning days of summer
▪ The moon waxes and then wanes.
▪ The scandal caused her popularity to wane. ▪ Interest in this issue has continued to wane. ▪ the waning days of summer
