英和和英

語源

From post- +‎ show.

形容詞

postshow (not comparable)

1. Occurring after the end of a show.
   • 1988 February 19, Peter Friederici, “On Exhibit: Nan Goldin's love junkies”, in Chicago Reader‎:

     The postshow discussion reveals that reactions tend to be mixed: some viewers see her photos as merely a sort of pre-AIDS sexual geography of a certain punkish set of people; others feel personally addressed.

参考

• aftershow
• preshow