clausandus

Clausandus is a Latin term derived from the verb claudo, which means to close. In grammatical description, clausandus is presented as the masculine singular form of the gerundive of claudo, a verbal adjective used to express obligation or necessity. This form conveys the sense that something is “to be closed” or “that must be closed.”

In Latin, the gerundive is typically used to denote duty or probability and is often paired with a form of esse to express obligation, as in a phrase roughly translated as “the thing must be closed.” The general function of clausandus and related gerundives is to modify nouns and to indicate that an action is intended, required, or appropriate for the subject.

Historical and modern usage: clausandus appears primarily in grammatical treatises, lexicographic works, and pedagogical materials that illustrate Latin verb forms and syntax. It is less common in surviving classical prose but is frequently cited in discussions of the gerundive’s role in marking necessity. In medieval and Renaissance Latin, as well as in modern scholarly examples, clausandus serves as a representative instance of the form rather than a widely attested vocabulary item in everyday texts.

See also: Latin gerundive, claudo, clausus, gerundive usage in Latin.