sanskrit was the first alphabet

[jivatman]

Speech is something that develops naturally, as a part of the process of evolution from 2D to 3D. The development of spoken language is a process somewhat planned by the nature of the human form itself that was designed by the creator, but the exact language itself is function of the free will of the group of people.

The ancient priests were in harmony with nature and with the heavens, and language developed through their process of directly interacting with the logos, the language itself being their own "poetic interpretation" of the logos.