desinence
/ˌdɛsɪnɛns/ or /ˌdɛsɪˈnɛns/Definitions
1. noun
In linguistics, the ending or termination of a word, especially in inflectional or derivational morphology, and the change it undergoes when it is combined with other words or when it forms a new word.
“The study of French verb conjugation and desinence is a key aspect of learning the language.”
2. noun
The act of removing or omitting the ending or termination of a word.
“The grammatical desinence of the verb in this sentence is unusual because it has been removed for emphasis.”