tritransitive

1. not comparablegrammarOf or relating to a class of verbs or constructions which take three objects.

   The preceding examples show that it is possible to derive applicative constructions from ditransitive bases. The resulting derivations are tritransitive applicative constructions.

   2016, Jean Josephine Chavula, Verbal Derivation and Valency in Citumbuka, Utrecht: LOT, →ISBN, page 114

plural tritransitives

1. grammarA verb or construction which takes three objects.

   Although these operations can convert a transitive into a ditransitive through the addition of verbal extensions, these operations may not convert a ditransitive into a tri-transitive.

   1992, Camillia N. Keach, Michael Rochemont, “On the syntax of possessor raising in Swahili”, in Studies in African Linguistics, volume 23, number 1, →DOI, page 93