Permissio, ônis, f. gen. Verbal. Liu.Permission: sufferance.Grata mansionis permissio.Cic.
Lewis and Short: Latin dictionary
permissĭo, ōnis, f. [permitto]. I. In gen., a giving up, yielding, ceding to another's will and pleasure; an unconditional turrender, Liv. 37, 7.—B. A rhet. figure, in which a thing is committed to the decision of one's opponent, permission, Auct. Her. 4, 29, 39; Quint. 9, 2, 25; 9, 3, 90.—II. In partic., leave, permission (very rare for permissus): mea permissio mansionis tuae, Cic. Q. Fr. 3, 1, 3, 9: sine permissione Dei diabolus nocere non potest, Ambros. in Luc. 7, 115.