1. The first or earliest form of something, before any modifications, translations, or adaptations
I prefer to watch films in their original version with subtitles.
Prefiro assistir filmes na versão original com legendas.
2. The authoritative or unaltered form of a work, document, or product
The original version of the manuscript was discovered in the archives.
A versão original do manuscrito foi descoberta nos arquivos.
3. The primary language or format in which something was created
The book was translated from the original version in German.
O livro foi traduzido da versão original em alemão.