I / insignĭfĭcātīvus
noun

insignĭfĭcātīvus

gen. in-signĭfĭcātīvi · gender masculine · decl. 2nd
(sc. modus) [2. in-significo]
the insignificative; infinitive
the insignificative, a name given by some grammarians to the infinitive, Diom. p. 331 P.