polysyllabism
(pɒlɪˈsɪləbɪz(ə)m)
[f. as polysyllabe + -ism.]
The use of polysyllables (as a stage in the development of language).
| 1860 Farrar Orig. Lang. 181 The progress to polysyllabism from a state originally monosyllabic. 1875 Whitney Life Lang. x. 211 A primitive period of polysyllabism. |