zymologicalhttp://www.oed.com/dictionary/zymological_adj%3Ftab%3Dmeaning_and_usezymological, adj.
First published 1921; not fully revised

zymologicaladjective

  1. 1828–
    Relating to zymology.
    Stressed as zymoˈlogical.
    1. 1828–32
      Zumological, Zumologist.
      N. Webster, American Dictionary of English Language
    2. 1846
      Zymological, Zymologist.
      J. E. Worcester, Universal Dictionary of English Language

Originally published as part of the entry for zymo-, comb. form

zymo-, comb. form was first published in 1921; not fully revised.