accusative and ergative languages

[JoatSimeon at aol.com]

>proto-language at email.msn.com writes:

>Of course we have no data on the earliest human language in the same way we
>have no data on IE

-- this statement is incorrect.  PIE was spoken 5000 years ago and the
earliest written examples of IE languages date to the 2nd millenium BCE.

There is a gap of no more than a few millenia.

The earliest human languages were spoken -- using a minimal estimate -- at
least 50,000 years ago.  Probably considerably more.

This is several iterations more temporal distance than between us and PIE.