“Khnemu was originally a water or river-god, and that in very early times he was regarded as the god of the Nile and of the
annual Nile-flood, and as such he bore the name of QEBH” This could be related to the last part of the word Sakhebu.
Khnemu also has an astronomical meaning ““Astronomically the name refers to the “conjunction” of the sun and moon at stated seasons of the year”. Curiously, this seems also describe the conjunction of the eyes of Horus (ie the Sun and the Moon) that Khenty-Irty and Khenty-Khem describe, the gods worshipped in Sachebu / Letopolis.
Finally “Sati or Satet was the principal female counterpart of Khnemu, and was worshipped with him at Elephantine, where she was a sister goddess of Anqet. Meaning she is a form of Ast-SEPT or ISIS-SOTHIS. The centre of worship of Sati appears to have been the island of Sahal“