"and the will of the dweller in the bush": (Israel,) who did the will of the One who was revealed in the bush."
It (the blessing) shall come upon the head of Joseph": He came first to Egypt, and he shall come first (for blessing) in time to come. "upon the head of him (Joseph) "sundered" by his brothers": He was "distanced" by his brothers.
(Ibid. 17) "The grandeur of his (Joseph's) 'ox' (Joshua, the strong, who came from Joseph) is accorded ("hadar") him": We are hereby taught that "hod" (glory) was accorded Moses, and "hadar" was accorded Joshua; the entire world could not withstand him.