Proto-Romance is the result of applying the comparative method to reconstruct the latest common ancestor of the Romance languages.
To what extent, if any, such a reconstruction reflects a real état de langue is controversial.
[1] The forms below are spelt as they are in the cited sources, either in Latin style or in phonetic notation.
In the singular they would have been treated as masculine and in the plural as feminine, often with a collective sense.
[20] For the most part, the typical way to form a comparative would have been to add magis or plus (‘more’) to a positive adjective.