Read the important article:
Siegfried Kreuzer, Zur Bedeutung und Etymologie von hištah.awah/ yšth.wy:
Vetus Testamentum XXXV,1 (1985), S. 39-60
There is all you need to know.
> Message: 6
> Date: Tue, 28 Feb 2012 08:08:44 -0500
> From: Isaac Fried <if AT math.bu.edu>
> Subject: Re: [b-hebrew] suffixes
> To: Uri Hurwitz <uhurwitz AT yahoo.com>
> Cc: b-hebrew AT lists.ibiblio.org
> Message-ID: <D9749ECE-5DE0-4828-B51D-A08C2F3E7C5C AT math.bu.edu>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes;
> format=flowed
>
> I am sorry, but it is really not clear to me what is this thing you
> call a "binyan".
>
> Isaac Fried, Boston University
>
> On Feb 27, 2012, at 11:23 PM, Uri Hurwitz wrote:
>
>> the Binyan is ISTF(L as attested Ugaritic,