aloha e poh:
So nice to hear from you again. The name of the 18th century Rabbi caught my eye. I'd be interested to know whether or not he was of Italian heritage. It is well known that there were Jews in Italy from early times, mostly in the hill regions of the central spine in the south near Naples. His name "Luzzatto" looks and sounds Italian to me, and if he was, this might shed some light on that obscure history of Jews in Italy. I've known Italians by the name of "Luzetti". Most Italian family names, as you may know, end in a, o, or i. Some of my ancestors came from that region, so it would be of particular interest to me.
I also have some things to share on your "holy of holies" statements concerning the nature of the "sweet waters", but I'll wait until I have more time and Dauer and/or BB have had a chance to bring their knowledge to the discussion. Perhaps Karimarie could bring something to the table also.
10 min later:
I just checked Jewish Enclyclopedia.com and found a whole bunch of references to "Luzzatto", who were an extended family of important Italian scholars and Cabalists in Italy beginning early in the 16th century. But I didn't have time to do any reading. I'll leave that up to your expert self.
'till next time...flow....