The further back you go in Indo-European languages, they don't have articles. It's a relatively recent innovation.
So for example latin didn't have them. Eventually they evolved from ille and unus.
Much of Eastern Europe still does not have articles.
> The further back you go in Indo-European languages, they don't have articles.
Heh, while we're discussing English, this annoys me.
"The further back you go" is a continuum, the effect you describe should be too.
> The further back you go, the fewer Indo-European languages have articles.
Or match a discontinuity with a discontinuity.
> If you go back beyond a certain point, Indo-European languages don't have articles.
The whole (over)insistence on using the determiners in general seems to be a relatively recent innovation as well, the articles being a large part of it. I am talking about constructions like "he shoved his hand into his pocket and pulled out his wallet" — why not just "he shoved hand into pocket and pulled out wallet"? The context is pretty self-evident, and if you really need to specify some deviation from it (he shoved his hand into someone else's pocket, but still pulled out his wallet), you always can do it by, you know, using the determiners; except now they actually will be non-redundant.