From: P&G
Message: 31903
Date: 2004-04-13
> >In Sanskrit *-eh2ns > *-a:ns and *-o:ns would give the same thing (and weI'm aware that the Vedas show that the masculine -a:n was originally -a:ns.
> >have -a:s and -a:n)
>
> But -a:s and -a:n _are_ the same thing, basically,