Wiktionary
triconsonantal
a. Involving three consonants.
Usage examples of "triconsonantal".
Morphology Most words of Arabic den vation are based on a triconsonantal root eg k t b which when combined with van ous patterns of vowels generates different but semantically related words and parts of speech Thus from the root k t b are derived fata* (book) fconfc (writer) katab (he wrote) yiktitb (he writes) etc While the most an cient form of Terran Arabic showed such morphological complexities as grammatical gender dual and plural numbers in addition to singular plurals formed by consonant and vowel mutation as wel!