a combining form meaning “fighting,” used in the formation of compound words: logomachy.
Origin of -machy
< Greek -machia, equivalent to mách(ē) battle + -ia -y3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin and History for -machy
word-forming element meaning "battle, war, contest," from Greek -makhia, from makhe "battle, fight," related to makhesthai "to fight," from PIE root *magh- (2) "to fight."
Online Etymology Dictionary, © 2010 Douglas Harper