Origin of morpheme
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
linguistics a speech element having a meaning or grammatical function that cannot be subdivided into further such elements
Word Origin for morpheme
C20: from French, from Greek morphē form, coined on the model of phoneme; see -eme
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
"part of a word which contains the affixes," 1896, from German morpheme, coined 1895 by Polish-born linguist Jan Baudouin de Courtenay (1845–1929), from Greek morphe "form, shape" (see Morpheus), on analogy of phonème.
Online Etymology Dictionary, © 2010 Douglas Harper