zestinesshttp://www.oed.com/dictionary/zestiness_n%3Ftab%3Dmeaning_and_usezestiness, n.
First published 2018

zestinessnoun

  1. 1912–
    The quality or state of being zesty (in various senses).
    Stressed as ˈzestiness.
    1. 1912
      Old family recipes of generations ago—famous for their fine flavor and zestiness.
      Country Life in America November 70/1 (advertisement)
    2. 1977
      A romantic comedy with the zestiness and boisterous humor of folk take.
      New York Times 9 May 27/2
    3. 2016
      This smooth and nutty white has..a really appealing zestiness to its fresh citrus acidity.
      Daily Record (Glasgow) (Nexis) 23 April (Sat. Magazine) 7

Originally published as part of the entry for zesty, adj.

zestiness, n. was first published in 2018.