Is there an established Latin word for "visa", the kind of document you need to enter some countries? The English word seems to come from the past participle of the Latin verb videre, and so does the Finnish version "viisumi". However, using such a common Latin participle as such would be confusing when you want to tell that you showed your visa to an officer…
Is there a good Latin expression for "visa"? If yes, what makes it appropriate?