From: alex
Message: 39118
Date: 2005-07-08
> In my opinion, they are not separate roots.you mean mute plus sonor CC has changed to mute/mute and after this the
>
> The original root is *der-; *ter- is a result of *s-mobile + *der =
> (s)ter-, from which the *s- has subequently been lost (Siebs' Law).
>