Why was the place named 'Sukos'?
Targum Yonasan: Because that was where the Ananei Kavod 1 (which, according to R. Akiva, are synomymous with the Sukos - which we celebrate in Tishri - Oznayim la'Torah) joined them.
The Amud Eish and the Amud Anan. See Peirush Yonasan.