a plural suffix occurring in loanwords from Greek: Hyades.
Origin of -es1
From the Greek suffix -es
Definition for -es (2 of 3)
variant of -s2 in verbs ending in s, z, ch, sh, or post-consonantal y: passes; buzzes; pitches; dashes; studies.
Definition for -es (3 of 3)
variant of -s3 in nouns ending in s, z, ch, sh, or post-consonantal y, and in nouns in f with v in the plural: losses; fuzzes; riches; ashes; babies; sheaves.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for -es
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