- a combining form meaning “rain,” used in the formation of compound words: hyetology.
Also especially before a vowel, hyet-.
Origin of hyeto-
combining form representing Greek hyetós rain, derivative of hýein to rain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
before a vowel hyet-
- indicating rain
from Greek huetos
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012