- a combining form meaning “ferment,” “leaven,” used in the formation of compound words: zymology.
Also especially before a vowel, zym-.
Origin of zymo-
combining form representing Greek zȳ́mē leaven
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel zym-
- indicating fermentationzymology
from Greek zumē leaven