Meaning of AFTERGLOW in English
The ~ is the glow that remains after a light has gone, for example after the sun has gone down. (LITERARY)
...the light of the sunset’s ~.
N-UNCOUNT: oft with poss
You can refer to the good feeling or effects that remain after an event as the ~.
...basking in the ~ of their Champions League victory.
N-UNCOUNT: oft N of n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012