triliteral

Consisting of three letters, especially of three consonants. Used chiefly of roots in Semitic languages.

A three-letter word or word element.

A triliteral root or word.

Consisting of three letters, as a word or syllable; also, of or pertaining to what consists of three letters.

A word consisting of three letters.

Consisting of three letters; trigrammic.

Used to describe word roots in Semitic languages which consist of three letters

A word root in a Semitic languages which consist of three letters