If the origin of most languages is Latin, what is the origin of Latin?

Answer 1

Latin is an Italic Language of the theorized Indo-European family tree:

Latin, however, is not the origin of most languages. It's the origin of the Roman languages and has an influence on English directly via Latin and also via French.

See the map below

http://andromeda.rutgers.edu/~jlynch/language.html

Answer 2

Indo-European.