permettano
Permettano is the present subjunctive, third-person plural form of the Italian verb permettere, meaning to permit or allow. It is used in subordinate clauses introduced by che, after verbs and expressions that convey desire, doubt, necessity, possibility, or insistence, to express permission in a hypothetical or contingent sense. In contemporary Italian, the form is common in formal writing, legal or administrative language, and literary style.
Permettere comes from Latin permittere, with the present subjunctive forms being: che io permetta, che tu permetta,
Usage examples include: È necessario che essi permettano l’ingresso degli autorizzati. Spero che i residenti permettano
See also: permettere, congiuntivo, Italian verb conjugation.