Dictionary.com
Thesaurus.com

triliteralism

American  
[trahy-lit-er-uh-liz-uhm] / traɪˈlɪt ər əˌlɪz əm /

noun

  1. the characteristic presence of triliteral roots in a language, as in the Semitic languages.


Etymology

Origin of triliteralism

First recorded in 1835–45; triliteral + -ism