The word "visa" originates from the Latin phrase charta visa, meaning "paper that has been seen" or "verified document." This referred to an official endorsement on a passport. The term entered English in the early 19th century via French, where it was used in the same administrative context. The core logic of the word is rooted in the act of inspection and authorization; a visa is literally a document that has been "seen" and approved by the relevant authorities, granting permission for travel. This meaning evolved directly from the Latin root without significant morphological change, making it a direct semantic borrowing.

The word "visa" is a simplex loanword from Latin. It is the neuter plural form (later reinterpreted as a feminine singular) of the past participle of the Latin verb vidēre, meaning "to see." In this context, it functions as a noun meaning "things that have been seen" or "verified."