1930s; earliest use found in English Studies: a journal of English letters and philology. From French morphonème, blend of morpho-morpho- and phonèmephoneme. Compare German Morphonem.
Definition of morphoneme in US English:
morphoneme
nounˈmɔːfəˌniːm
Linguistics
Morphophoneme.
Origin
1930s; earliest use found in English Studies: a journal of English letters and philology. From French morphonème, blend of morpho- morpho- and phonème phoneme. Compare German Morphonem.