triliteral

1 of 2

adjective

tri·​lit·​er·​al (ˌ)trī-ˈli-t(ə-)rəl 

: consisting of three letters and especially of three consonants

triliteral roots in Semitic languages

triliteralism

(ˌ)trī-ˈli-t(ə-)rə-ˌli-zəm 

noun

triliteral

2 of 2

noun

: a root or word that is triliteral

Word History

Etymology

Adjective

tri- + Latin littera letter

First Known Use

Adjective

1751, in the meaning defined above

Noun

circa 1828, in the meaning defined above