remaindering

/R IH0 M EY1 N D ER0 IH0 NG/
verb
  1. 1

    To mark or declare items left unsold as subject to reduction in price.

    โ€œThe bookstore remaindered the unsold copies of that book at the end of summer at a reduced price.โ€

Source: https://en.wiktionary.org/wiki/remainder, https://en.wiktionary.org/wiki/remaindering