a termination or ending, as the final line of a verse.
2.
Grammar. a termination, ending, or suffix of a word.
Origin: 1590–1600; < F < ML dēsinentia, equiv. to L dēsinent- (s. of dēsinēns), prp. of dēsinere to put down, leave (dē-de-+ sinere to leave) + -ia-ia; see -ence
des·i·nence (děs'ə-nəns) n. A grammatical ending; an inflection.
[French désinence, from Medieval Latin dēsinentia, from Latin dēsinēns, dēsinent-, present participle of dēsinere, to come to an end : dē-, off; see de- + sinere, to leave.] des'i·nen'tial (-něn'shəl) adj.